Bug 323780 changes after review

after_review.diff

diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
index 5e9ac24cad57..e8981017e8a8 100644
--- a/LayoutTests/ChangeLog
+++ b/LayoutTests/ChangeLog
@@ -13,10 +13,14 @@
         * platform/gtk/imported/w3c/web-platform-tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.zerosource.image-expected.txt: Removed.
         * platform/gtk/imported/w3c/web-platform-tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.zerosource.worker-expected.txt: Removed.
         * platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt:
+        * platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/ipad/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
         * platform/mac-wk1/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
         * platform/wpe/imported/w3c/web-platform-tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.zerosource.image-expected.txt: Removed.
         * platform/wpe/imported/w3c/web-platform-tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.zerosource.worker-expected.txt: Removed.
         * platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt: Renamed from LayoutTests/platform/glib/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt.
 
 2022-02-13  Andres Gonzalez  <andresg_22@apple.com>
 
diff --git a/LayoutTests/imported/w3c/ChangeLog b/LayoutTests/imported/w3c/ChangeLog
index 3ff40414b358..aa0ea2a64841 100644
--- a/LayoutTests/imported/w3c/ChangeLog
+++ b/LayoutTests/imported/w3c/ChangeLog
@@ -165,6 +165,7 @@
         * web-platform-tests/html/canvas/offscreen/path-objects/2d.path.roundrect.zero.5.worker-expected.txt:
         * web-platform-tests/html/canvas/offscreen/path-objects/2d.path.roundrect.zero.6-expected.txt:
         * web-platform-tests/html/canvas/offscreen/path-objects/2d.path.roundrect.zero.6.worker-expected.txt:
+        * web-platform-tests/html/dom/idlharness.https-expected.txt:
         * web-platform-tests/html/dom/idlharness.worker-expected.txt:
 
 2022-02-12  Tim Nguyen  <ntim@apple.com>
diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
index c5a851bf6a9e..109475df78b4 100644
--- a/LayoutTests/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
+++ b/LayoutTests/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
@@ -4019,7 +4019,7 @@ PASS CanvasRenderingContext2D interface: operation quadraticCurveTo(unrestricted
 PASS CanvasRenderingContext2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS CanvasRenderingContext2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS CanvasRenderingContext2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL CanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS CanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS CanvasRenderingContext2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CanvasRenderingContext2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CanvasRenderingContext2D must be primary interface of document.createElement("canvas").getContext("2d")
@@ -4149,8 +4149,8 @@ PASS CanvasRenderingContext2D interface: document.createElement("canvas").getCon
 PASS CanvasRenderingContext2D interface: calling arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)" with the proper type
 PASS CanvasRenderingContext2D interface: calling rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
-FAIL CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)" with the proper type assert_inherits: property "roundRect" not found in prototype chain
-FAIL CanvasRenderingContext2D interface: calling roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError assert_inherits: property "roundRect" not found in prototype chain
+PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)" with the proper type
+PASS CanvasRenderingContext2D interface: calling roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)" with the proper type
 PASS CanvasRenderingContext2D interface: calling arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)" with the proper type
@@ -4223,7 +4223,7 @@ PASS Path2D interface: operation quadraticCurveTo(unrestricted double, unrestric
 PASS Path2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS Path2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS Path2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS ImageBitmapRenderingContext interface: existence and properties of interface object
diff --git a/LayoutTests/platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt b/LayoutTests/platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
index ec36fc6f45cd..cc33cb554112 100644
--- a/LayoutTests/platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
+++ b/LayoutTests/platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
@@ -316,7 +316,7 @@ PASS Path2D interface: operation quadraticCurveTo(unrestricted double, unrestric
 PASS Path2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS Path2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS Path2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS ImageBitmapRenderingContext interface: existence and properties of interface object
@@ -424,7 +424,7 @@ PASS OffscreenCanvasRenderingContext2D interface: operation quadraticCurveTo(unr
 PASS OffscreenCanvasRenderingContext2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS OffscreenCanvasRenderingContext2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS OffscreenCanvasRenderingContext2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL OffscreenCanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS OffscreenCanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS OffscreenCanvasRenderingContext2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS OffscreenCanvasRenderingContext2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CustomElementRegistry interface: existence and properties of interface object
diff --git a/LayoutTests/platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt b/LayoutTests/platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
index e4da4b28a411..41f911716533 100644
--- a/LayoutTests/platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
+++ b/LayoutTests/platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
@@ -4009,7 +4009,7 @@ PASS CanvasRenderingContext2D interface: operation quadraticCurveTo(unrestricted
 PASS CanvasRenderingContext2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS CanvasRenderingContext2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS CanvasRenderingContext2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL CanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS CanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS CanvasRenderingContext2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CanvasRenderingContext2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CanvasRenderingContext2D must be primary interface of document.createElement("canvas").getContext("2d")
@@ -4139,8 +4139,8 @@ PASS CanvasRenderingContext2D interface: document.createElement("canvas").getCon
 PASS CanvasRenderingContext2D interface: calling arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)" with the proper type
 PASS CanvasRenderingContext2D interface: calling rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
-FAIL CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)" with the proper type assert_inherits: property "roundRect" not found in prototype chain
-FAIL CanvasRenderingContext2D interface: calling roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError assert_inherits: property "roundRect" not found in prototype chain
+PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)" with the proper type
+PASS CanvasRenderingContext2D interface: calling roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)" with the proper type
 PASS CanvasRenderingContext2D interface: calling arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)" with the proper type
@@ -4213,7 +4213,7 @@ PASS Path2D interface: operation quadraticCurveTo(unrestricted double, unrestric
 PASS Path2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS Path2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS Path2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS ImageBitmapRenderingContext interface: existence and properties of interface object
diff --git a/LayoutTests/platform/ipad/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt b/LayoutTests/platform/ipad/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
index 7f20e2be929e..acd1fc75793f 100644
--- a/LayoutTests/platform/ipad/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
+++ b/LayoutTests/platform/ipad/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt
@@ -3995,7 +3995,7 @@ PASS CanvasRenderingContext2D interface: operation quadraticCurveTo(unrestricted
 PASS CanvasRenderingContext2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS CanvasRenderingContext2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS CanvasRenderingContext2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL CanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS CanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS CanvasRenderingContext2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CanvasRenderingContext2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CanvasRenderingContext2D must be primary interface of document.createElement("canvas").getContext("2d")
@@ -4125,8 +4125,8 @@ PASS CanvasRenderingContext2D interface: document.createElement("canvas").getCon
 PASS CanvasRenderingContext2D interface: calling arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)" with the proper type
 PASS CanvasRenderingContext2D interface: calling rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
-FAIL CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)" with the proper type assert_inherits: property "roundRect" not found in prototype chain
-FAIL CanvasRenderingContext2D interface: calling roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError assert_inherits: property "roundRect" not found in prototype chain
+PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)" with the proper type
+PASS CanvasRenderingContext2D interface: calling roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)" with the proper type
 PASS CanvasRenderingContext2D interface: calling arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError
 PASS CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)" with the proper type
@@ -4193,7 +4193,7 @@ PASS Path2D interface: operation quadraticCurveTo(unrestricted double, unrestric
 PASS Path2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS Path2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS Path2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS ImageBitmapRenderingContext interface: existence and properties of interface object
diff --git a/LayoutTests/platform/glib/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt b/LayoutTests/platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
similarity index 97%
rename from LayoutTests/platform/glib/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
rename to LayoutTests/platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
index 064b4ed4d0bc..cc33cb554112 100644
--- a/LayoutTests/platform/glib/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
+++ b/LayoutTests/platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.worker-expected.txt
@@ -254,6 +254,12 @@ PASS HTMLTemplateElement interface: existence and properties of interface object
 PASS HTMLSlotElement interface: existence and properties of interface object
 PASS HTMLCanvasElement interface: existence and properties of interface object
 PASS CanvasRenderingContext2D interface: existence and properties of interface object
+FAIL CanvasFilter interface: existence and properties of interface object assert_own_property: self does not have own property "CanvasFilter" expected property "CanvasFilter" missing
+FAIL CanvasFilter interface object length assert_own_property: self does not have own property "CanvasFilter" expected property "CanvasFilter" missing
+FAIL CanvasFilter interface object name assert_own_property: self does not have own property "CanvasFilter" expected property "CanvasFilter" missing
+FAIL CanvasFilter interface: existence and properties of interface prototype object assert_own_property: self does not have own property "CanvasFilter" expected property "CanvasFilter" missing
+FAIL CanvasFilter interface: existence and properties of interface prototype object's "constructor" property assert_own_property: self does not have own property "CanvasFilter" expected property "CanvasFilter" missing
+FAIL CanvasFilter interface: existence and properties of interface prototype object's @@unscopables property assert_own_property: self does not have own property "CanvasFilter" expected property "CanvasFilter" missing
 PASS CanvasGradient interface: existence and properties of interface object
 PASS CanvasGradient interface object length
 PASS CanvasGradient interface object name
@@ -310,7 +316,7 @@ PASS Path2D interface: operation quadraticCurveTo(unrestricted double, unrestric
 PASS Path2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS Path2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS Path2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS Path2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS Path2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS ImageBitmapRenderingContext interface: existence and properties of interface object
@@ -405,12 +411,12 @@ PASS OffscreenCanvasRenderingContext2D interface: attribute font
 PASS OffscreenCanvasRenderingContext2D interface: attribute textAlign
 PASS OffscreenCanvasRenderingContext2D interface: attribute textBaseline
 PASS OffscreenCanvasRenderingContext2D interface: attribute direction
-FAIL OffscreenCanvasRenderingContext2D interface: attribute textLetterSpacing assert_true: The prototype object must have a property "textLetterSpacing" expected true got false
-FAIL OffscreenCanvasRenderingContext2D interface: attribute textWordSpacing assert_true: The prototype object must have a property "textWordSpacing" expected true got false
+FAIL OffscreenCanvasRenderingContext2D interface: attribute letterSpacing assert_true: The prototype object must have a property "letterSpacing" expected true got false
 FAIL OffscreenCanvasRenderingContext2D interface: attribute fontKerning assert_true: The prototype object must have a property "fontKerning" expected true got false
 FAIL OffscreenCanvasRenderingContext2D interface: attribute fontStretch assert_true: The prototype object must have a property "fontStretch" expected true got false
 FAIL OffscreenCanvasRenderingContext2D interface: attribute fontVariantCaps assert_true: The prototype object must have a property "fontVariantCaps" expected true got false
 FAIL OffscreenCanvasRenderingContext2D interface: attribute textRendering assert_true: The prototype object must have a property "textRendering" expected true got false
+FAIL OffscreenCanvasRenderingContext2D interface: attribute wordSpacing assert_true: The prototype object must have a property "wordSpacing" expected true got false
 PASS OffscreenCanvasRenderingContext2D interface: operation closePath()
 PASS OffscreenCanvasRenderingContext2D interface: operation moveTo(unrestricted double, unrestricted double)
 PASS OffscreenCanvasRenderingContext2D interface: operation lineTo(unrestricted double, unrestricted double)
@@ -418,7 +424,7 @@ PASS OffscreenCanvasRenderingContext2D interface: operation quadraticCurveTo(unr
 PASS OffscreenCanvasRenderingContext2D interface: operation bezierCurveTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS OffscreenCanvasRenderingContext2D interface: operation arcTo(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double)
 PASS OffscreenCanvasRenderingContext2D interface: operation rect(unrestricted double, unrestricted double, unrestricted double, unrestricted double)
-FAIL OffscreenCanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>) assert_own_property: interface prototype object missing non-static operation expected property "roundRect" missing
+PASS OffscreenCanvasRenderingContext2D interface: operation roundRect(unrestricted double, unrestricted double, unrestricted double, unrestricted double, sequence<(unrestricted double or DOMPointInit)>)
 PASS OffscreenCanvasRenderingContext2D interface: operation arc(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS OffscreenCanvasRenderingContext2D interface: operation ellipse(unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, unrestricted double, optional boolean)
 PASS CustomElementRegistry interface: existence and properties of interface object
diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index 27a0794ff747..b1ed28770737 100644
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -16,6 +16,7 @@
         (WebCore::InspectorCanvas::processArgument): Added stub for the
         RadiusVariant as used in roundRect.
         * inspector/InspectorCanvasCallTracer.h:
+        * inspector/agents/InspectorCanvasAgent.cpp: Add include.
         * inspector/RecordingSwizzleType.h: Added DOMPointInit type.
 
 2022-02-13  Alan Bujtas  <zalan@apple.com>
diff --git a/Source/WebCore/html/canvas/CanvasPath.cpp b/Source/WebCore/html/canvas/CanvasPath.cpp
index 1b565062717e..4ca87a85e7f8 100644
--- a/Source/WebCore/html/canvas/CanvasPath.cpp
+++ b/Source/WebCore/html/canvas/CanvasPath.cpp
@@ -37,6 +37,7 @@
 
 #include "AffineTransform.h"
 #include <algorithm>
+#include "DOMPointInit.h"
 #include "FloatRect.h"
 #include "FloatRoundedRect.h"
 #include "FloatSize.h"
@@ -240,10 +241,15 @@ void CanvasPath::rect(float x, float y, float width, float height)
 
 ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float height, const RadiusVariant& radii)
 {
-    return roundRect(x, y, width, height, Vector { radii });
+    return roundRect(x, y, width, height, Span { &radii, 1 });
 }
 
 ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float height, const Vector<RadiusVariant >& radii)
+{
+    return roundRect(x, y, width, height, radii.span());
+}
+
+ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float height, const Span<const RadiusVariant>& radii)
 {
     // Based on Nov 5th 2021 version of https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-roundrect
     // 1. If any of x, y, w, or h are infinite or NaN, then return.
@@ -252,16 +258,16 @@ ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float hei
         return { };
 
     // 2. If radii is not a list of size one, two, three, or four, then throw a RangeError.
-    if (radii.size() > 4 || radii.isEmpty())
+    if (radii.size() > 4 || radii.empty())
         return Exception { RangeError, makeString("radii must contain at least 1 element, up to 4. It contained ", radii.size(), " elements.") };
 
     // 3. Let normalizedRadii be an empty list.
-    auto normalizedRadii = Vector<DOMPointInit>();
+    Vector<FloatPoint, 4> normalizedRadii;
 
     // 4. For each radius of radii:
     for (auto& radius : radii) {
         auto shouldReturnSilently = false;
-        auto ret = WTF::switchOn(radius,
+        auto exception = WTF::switchOn(radius,
             // 4.1 If radius is a DOMPointInit:
             [&normalizedRadii, &shouldReturnSilently](DOMPointInit point) -> ExceptionOr<void> {
                 // 4.1.1 If radius["x"] or radius["y"] is infinite or NaN, then return.
@@ -275,7 +281,7 @@ ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float hei
                     return Exception { RangeError, makeString("radius point coordinates must be positive") };
 
                 // 4.1.3 Otherwise, append radius to normalizedRadii.
-                normalizedRadii.append(point);
+                normalizedRadii.append({ static_cast<float>(point.x), static_cast<float>(point.y) });
                 return { };
             },
             // 4.2 If radius is a unrestricted double:
@@ -292,15 +298,15 @@ ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float hei
                     return Exception { RangeError, makeString("radius value must be positive") };
 
                 // 4.2.3 Otherwise append «[ "x" → radius, "y" → radius ]» to normalizedRadii.
-                normalizedRadii.append({ radiusValue, radiusValue });
+                normalizedRadii.append({ static_cast<float>(radiusValue), static_cast<float>(radiusValue) });
                 return { };
             }
         );
-        if (ret.hasException() || shouldReturnSilently)
-            return ret;
+        if (exception.hasException() || shouldReturnSilently)
+            return exception;
     }
 
-    // Degenerated case, fallback to regular rect.
+    // Degenerate case, fall back to regular rect.
     // We do not do this before parsing the radii in order to make sure the Exceptions can be raised.
     if (!width || !height) {
         rect(x, y, width, height);
@@ -308,7 +314,7 @@ ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float hei
     }
 
     // 5. Let upperLeft, upperRight, lowerRight, and lowerLeft be null.
-    DOMPointInit upperLeft, upperRight, lowerRight, lowerLeft;
+    FloatPoint upperLeft, upperRight, lowerRight, lowerLeft;
 
     switch (normalizedRadii.size()) {
     case 4:
@@ -365,83 +371,79 @@ ExceptionOr<void> CanvasPath::roundRect(float x, float y, float width, float hei
     // 10. Corner curves must not overlap. Scale all radii to prevent this:
 
     // 10.1    Let top be upperLeft["x"] + upperRight["x"].
-    auto top = upperLeft.x + upperRight.x;
+    auto top = upperLeft.x() + upperRight.x();
 
     // 10.2    Let right be upperRight["y"] + lowerRight["y"].
-    auto right = upperRight.y + lowerRight.y;
+    auto right = upperRight.y() + lowerRight.y();
 
     // 10.3    Let bottom be lowerRight["x"] + lowerLeft["x"].
-    auto bottom = lowerRight.x + lowerLeft.x;
+    auto bottom = lowerRight.x() + lowerLeft.x();
 
     // 10.4    Let left be upperLeft["y"] + lowerLeft["y"].
-    auto left = upperLeft.y + lowerLeft.y;
+    auto left = upperLeft.y() + lowerLeft.y();
 
     // 10.5    Let scale be the minimum value of the ratios w / top, h / right, w / bottom, h / left.
     auto scale = std::min({ width / top, height / right, width / bottom, height / left });
 
     // 10.6    If scale is less than 1, then set the x and y members of upperLeft, upperRight, lowerLeft, and lowerRight to their current values multiplied by scale.
     if (scale < 1) {
-        upperLeft.x *= scale;
-        upperLeft.y *= scale;
-        upperRight.x *= scale;
-        upperRight.y *= scale;
-        lowerLeft.x *= scale;
-        lowerLeft.y *= scale;
-        lowerRight.x *= scale;
-        lowerRight.y *= scale;
+        upperLeft.scale(scale);
+        upperRight.scale(scale);
+        lowerLeft.scale(scale);
+        lowerRight.scale(scale);
     }
 
     // 11. Create a new subpath:
-    m_path.moveTo(FloatPoint(x + upperLeft.x, y));
+    m_path.moveTo({x + upperLeft.x(), y});
 
     // The 11.x clockwise substeps are handled by Path::addRoundedRect directly.
     if (clockwise) {
         m_path.addRoundedRect({ FloatRect(x, y, width, height),
-            { static_cast<float>(upperLeft.x), static_cast<float>(upperLeft.y) },
-            { static_cast<float>(upperRight.x), static_cast<float>(upperRight.y) },
-            { static_cast<float>(lowerLeft.x), static_cast<float>(lowerLeft.y) },
-            { static_cast<float>(lowerRight.x), static_cast<float>(lowerRight.y) },
+            { static_cast<float>(upperLeft.x()), static_cast<float>(upperLeft.y()) },
+            { static_cast<float>(upperRight.x()), static_cast<float>(upperRight.y()) },
+            { static_cast<float>(lowerLeft.x()), static_cast<float>(lowerLeft.y()) },
+            { static_cast<float>(lowerRight.x()), static_cast<float>(lowerRight.y()) },
         });
     } else {
         // Top Left corner
-        if (upperLeft.x > 0 || upperLeft.y > 0) {
-            m_path.addBezierCurveTo(FloatPoint(x + upperLeft.x * m_path.circleControlPoint(), y),
-                FloatPoint(x, y + upperLeft.y * m_path.circleControlPoint()),
-                FloatPoint(x, y + upperLeft.y));
+        if (upperLeft.x() > 0 || upperLeft.y() > 0) {
+            m_path.addBezierCurveTo({ x + upperLeft.x() * m_path.circleControlPoint(), y },
+                { x, y + upperLeft.y() * m_path.circleControlPoint() },
+                { x, y + upperLeft.y() });
         }
         // Left edge
-        m_path.addLineTo(FloatPoint(x, y + height - lowerLeft.y));
+        m_path.addLineTo({ x, y + height - lowerLeft.y() });
         // Bottom left corner
-        if (lowerLeft.x > 0 || lowerLeft.y > 0) {
-            m_path.addBezierCurveTo(FloatPoint(x, y + height - lowerLeft.y * m_path.circleControlPoint()),
-                FloatPoint(x + lowerLeft.x * m_path.circleControlPoint(), y + height),
-                FloatPoint(x + lowerLeft.x, y + height));
+        if (lowerLeft.x() > 0 || lowerLeft.y() > 0) {
+            m_path.addBezierCurveTo({ x, y + height - lowerLeft.y() * m_path.circleControlPoint() },
+                { x + lowerLeft.x() * m_path.circleControlPoint(), y + height },
+                { x + lowerLeft.x(), y + height });
         }
         // Bottom edge
-        m_path.addLineTo(FloatPoint(x + width - lowerRight.x, y + height));
+        m_path.addLineTo({ x + width - lowerRight.x(), y + height });
         // Bottom right corner
-        if (lowerRight.x > 0 || lowerRight.y > 0) {
-            m_path.addBezierCurveTo(FloatPoint(x + width - lowerRight.x * m_path.circleControlPoint(), y + height),
-                FloatPoint(x + width, y + height - lowerRight.y * m_path.circleControlPoint()),
-                FloatPoint(x + width, y + height - lowerRight.y));
+        if (lowerRight.x() > 0 || lowerRight.y() > 0) {
+            m_path.addBezierCurveTo({ x + width - lowerRight.x() * m_path.circleControlPoint(), y + height },
+                { x + width, y + height - lowerRight.y() * m_path.circleControlPoint() },
+                { x + width, y + height - lowerRight.y() });
         }
         // Right edge
-        m_path.addLineTo(FloatPoint(x + width, y + upperRight.y));
+        m_path.addLineTo({ x + width, y + upperRight.y() });
         // Top right corner
-        if (upperRight.x > 0 || upperRight.y > 0) {
-            m_path.addBezierCurveTo(FloatPoint(x + width, y + upperRight.y * m_path.circleControlPoint()),
-                FloatPoint(x + width - upperRight.x * m_path.circleControlPoint(), y),
-                FloatPoint(x + width - upperRight.x, y));
+        if (upperRight.x() > 0 || upperRight.y() > 0) {
+            m_path.addBezierCurveTo({ x + width, y + upperRight.y() * m_path.circleControlPoint() },
+                { x + width - upperRight.x() * m_path.circleControlPoint(), y },
+                { x + width - upperRight.x(), y });
         }
         // Top edge
-        m_path.addLineTo(FloatPoint(x + upperLeft.x, y));
+        m_path.addLineTo({ x + upperLeft.x(), y });
     }
 
     // 12. Mark the subpath as closed.
     m_path.closeSubpath();
 
     // 13. Create a new subpath with the point (x, y) as the only point in the subpath.
-    m_path.moveTo(FloatPoint(x, y));
+    m_path.moveTo({ x, y });
 
     return { };
 }
diff --git a/Source/WebCore/html/canvas/CanvasPath.h b/Source/WebCore/html/canvas/CanvasPath.h
index 0dcfcaf14dfe..c14670631ec0 100644
--- a/Source/WebCore/html/canvas/CanvasPath.h
+++ b/Source/WebCore/html/canvas/CanvasPath.h
@@ -28,15 +28,16 @@
 
 #pragma once
 
-#include "DOMPointInit.h"
 #include "ExceptionOr.h"
 #include "Path.h"
 #include <variant>
-#include <wtf/Vector.h>
+#include <wtf/Forward.h>
 
 
 namespace WebCore {
 
+class DOMPointInit;
+
 class CanvasPath {
 public:
     using RadiusVariant = std::variant<double, DOMPointInit>;
@@ -68,6 +69,8 @@ protected:
     void lineTo(FloatPoint);
 
     Path m_path;
+private:
+    ExceptionOr<void> roundRect(float x, float y, float width, float height, const Span<const RadiusVariant>& radii);
 };
 
 }
diff --git a/Source/WebCore/inspector/InspectorCanvas.cpp b/Source/WebCore/inspector/InspectorCanvas.cpp
index ef7738dbb2a7..bbcc79abc386 100644
--- a/Source/WebCore/inspector/InspectorCanvas.cpp
+++ b/Source/WebCore/inspector/InspectorCanvas.cpp
@@ -35,6 +35,7 @@
 #include "CanvasRenderingContext2D.h"
 #include "ColorSerialization.h"
 #include "DOMMatrix2DInit.h"
+#include "DOMPointInit.h"
 #include "Document.h"
 #include "Element.h"
 #include "FloatPoint.h"
diff --git a/Source/WebCore/inspector/InspectorCanvasCallTracer.cpp b/Source/WebCore/inspector/InspectorCanvasCallTracer.cpp
index e6b8e5f12f58..73ced654c05d 100644
--- a/Source/WebCore/inspector/InspectorCanvasCallTracer.cpp
+++ b/Source/WebCore/inspector/InspectorCanvasCallTracer.cpp
@@ -33,6 +33,7 @@
 #include "CanvasRenderingContext.h"
 #include "CanvasRenderingContext2D.h"
 #include "DOMMatrix2DInit.h"
+#include "DOMPointInit.h"
 #include "Element.h"
 #include "HTMLCanvasElement.h"
 #include "HTMLImageElement.h"
diff --git a/Source/WebCore/inspector/InspectorCanvasCallTracer.h b/Source/WebCore/inspector/InspectorCanvasCallTracer.h
index 58fa7e9c8e50..a376956d35e2 100644
--- a/Source/WebCore/inspector/InspectorCanvasCallTracer.h
+++ b/Source/WebCore/inspector/InspectorCanvasCallTracer.h
@@ -30,7 +30,6 @@
 #include "WebGLRenderingContextBase.h"
 #include <JavaScriptCore/TypedArrays.h>
 #include <initializer_list>
-#include <variant>
 #include <wtf/JSONValues.h>
 #include <wtf/Ref.h>
 #include <wtf/Vector.h>
diff --git a/Source/WebCore/inspector/agents/InspectorCanvasAgent.cpp b/Source/WebCore/inspector/agents/InspectorCanvasAgent.cpp
index 8322c8db2a8a..1c1668d99c7a 100644
--- a/Source/WebCore/inspector/agents/InspectorCanvasAgent.cpp
+++ b/Source/WebCore/inspector/agents/InspectorCanvasAgent.cpp
@@ -33,6 +33,7 @@
 #include "CanvasRenderingContext.h"
 #include "CanvasRenderingContext2D.h"
 #include "DOMMatrix2DInit.h"
+#include "DOMPointInit.h"
 #include "Document.h"
 #include "Element.h"
 #include "EventLoop.h"