flush Wayland after eglSwapBuffers

chromium

tiago@fisu:~/git/chromium/src$ git diff
diff --git a/ui/gl/gl_surface_egl.cc b/ui/gl/gl_surface_egl.cc
index ae5cb68..867246f 100644
--- a/ui/gl/gl_surface_egl.cc
+++ b/ui/gl/gl_surface_egl.cc
@@ -403,6 +403,8 @@ bool NativeViewGLSurfaceEGL::SwapBuffers() {
              << GetLastEGLErrorString();
     return false;
   }
+  // XXX: borrowing SchedulePageFlip as a SwapBuffers handler
+  gfx::SurfaceFactoryOzone::GetInstance()->SchedulePageFlip(window_);
 
   return true;
 }
tiago@fisu:~/git/chromium/src$ 

ozone

tiago@fisu:~/git/chromium/src/ozone$ git diff 
diff --git a/impl/ozone_display.cc b/impl/ozone_display.cc
index 4775db8..e90cca0 100644
--- a/impl/ozone_display.cc
+++ b/impl/ozone_display.cc
@@ -189,6 +189,14 @@ OzoneDisplay::CreateVSyncProvider(gfx::AcceleratedWidget w) {
 }
 
 bool OzoneDisplay::SchedulePageFlip(gfx::AcceleratedWidget w) {
+  wl_display* waylandDisp = WaylandDisplay::GetInstance()->display();
+  while (wl_display_prepare_read(waylandDisp) != 0)
+    wl_display_dispatch_pending(waylandDisp);
+
+  wl_display_flush(waylandDisp);
+  wl_display_read_events(waylandDisp);
+  wl_display_dispatch_pending(waylandDisp);
+
   return true;
 }
 
tiago@fisu:~/git/chromium/src/ozone$