AddArgs.diff

commit 0ba6485625bce590128413de4aab4835ee9a9102
Author: Jason Laster <jason.laster.11@gmail.com>
Date:   Wed Mar 4 20:31:16 2015 -0500

    Add arguments field

diff --git a/Source/core/inspector/InjectedScriptSource.js b/Source/core/inspector/InjectedScriptSource.js
index c8b224c..9173521 100644
--- a/Source/core/inspector/InjectedScriptSource.js
+++ b/Source/core/inspector/InjectedScriptSource.js
@@ -1531,6 +1531,8 @@ InjectedScript.CallFrameProxy = function(ordinal, callFrame, asyncOrdinal)
     this.location = { scriptId: toString(callFrame.sourceID), lineNumber: callFrame.line, columnNumber: callFrame.column, __proto__: null };
     this.scopeChain = this._wrapScopeChain(callFrame);
     this.this = injectedScript._wrapObject(callFrame.thisObject, "backtrace");
+    this.arguments = injectedScript._wrapObject(callFrame.argumentsObject, "backtrace");
+
     if (callFrame.isAtReturn)
         this.returnValue = injectedScript._wrapObject(callFrame.returnValue, "backtrace");
 }
diff --git a/Source/core/inspector/JavaScriptCallFrame.cpp b/Source/core/inspector/JavaScriptCallFrame.cpp
index 617e42a..74b778f 100644
--- a/Source/core/inspector/JavaScriptCallFrame.cpp
+++ b/Source/core/inspector/JavaScriptCallFrame.cpp
@@ -134,6 +134,11 @@ v8::Local<v8::Value> JavaScriptCallFrame::thisObject() const
     return m_callFrame.newLocal(m_isolate)->Get(v8AtomicString(m_isolate, "thisObject"));
 }
 
+v8::Local<v8::Value> JavaScriptCallFrame::argumentsObject() const
+{
+  return m_callFrame.newLocal(m_isolate)->Get(v8AtomicString(m_isolate, "argumentsObject (maybe...)"));
+}
+
 String JavaScriptCallFrame::stepInPositions() const
 {
     return callV8FunctionReturnString("stepInPositions");
diff --git a/Source/core/inspector/JavaScriptCallFrame.h b/Source/core/inspector/JavaScriptCallFrame.h
index 727a6d7..0284613 100644
--- a/Source/core/inspector/JavaScriptCallFrame.h
+++ b/Source/core/inspector/JavaScriptCallFrame.h
@@ -64,6 +64,7 @@ public:
     v8::Local<v8::Value> scopeChain() const;
     int scopeType(int scopeIndex) const;
     v8::Local<v8::Value> thisObject() const;
+    v8::Local<v8::Value> argumentsObject() const;
     String stepInPositions() const;
     bool isAtReturn() const;
     v8::Local<v8::Value> returnValue() const;
diff --git a/Source/core/inspector/JavaScriptCallFrame.idl b/Source/core/inspector/JavaScriptCallFrame.idl
index b17fd29..3091e50 100644
--- a/Source/core/inspector/JavaScriptCallFrame.idl
+++ b/Source/core/inspector/JavaScriptCallFrame.idl
@@ -49,6 +49,7 @@
     [Custom=Getter] readonly attribute object[] scopeChain;
     [Custom] unsigned short scopeType(long scopeIndex);
     [Custom=Getter] readonly attribute object thisObject;
+    [Custom=Getter] readonly attribute object argumentsObject;
     readonly attribute DOMString stepInPositions;
     readonly attribute DOMString functionName;
     [Custom=Getter] readonly attribute DOMString type;
diff --git a/Source/devtools/front_end/sdk/DebuggerModel.js b/Source/devtools/front_end/sdk/DebuggerModel.js
index 1ce6ec5..d4eee86 100644
--- a/Source/devtools/front_end/sdk/DebuggerModel.js
+++ b/Source/devtools/front_end/sdk/DebuggerModel.js
@@ -1086,6 +1086,14 @@ WebInspector.DebuggerModel.CallFrame.prototype = {
     },
 
     /**
+    * @return {?WebInspector.RemoteObject}
+    */
+    argumentsObject: function()
+    {
+      return this._payload.this ? this.target().runtimeModel.createRemoteObject(this._payload.arguments) : null;
+    },
+
+    /**
      * @return {?WebInspector.RemoteObject}
      */
     returnValue: function()
diff --git a/Source/devtools/front_end/sources/ScopeChainSidebarPane.js b/Source/devtools/front_end/sources/ScopeChainSidebarPane.js
index 3f15ed5..be89d58 100644
--- a/Source/devtools/front_end/sources/ScopeChainSidebarPane.js
+++ b/Source/devtools/front_end/sources/ScopeChainSidebarPane.js
@@ -83,6 +83,11 @@ WebInspector.ScopeChainSidebarPane.prototype = {
                 var thisObject = callFrame.thisObject();
                 if (thisObject)
                     extraProperties.push(new WebInspector.RemoteObjectProperty("this", thisObject));
+
+                var argumentsObject = callFrame.argumentsObject();
+                if (argumentsObject)
+                    extraProperties.push(new WebInspector.RemoteObjectProperty("arguments", argumentsObject));
+
                 if (i == 0) {
                     var details = callFrame.target().debuggerModel.debuggerPausedDetails();
                     if (!callFrame.isAsync()) {