Submit Compositor Frame from OffscreenCanvas on main

third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp

Index: third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp
diff --git a/third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp b/third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp
index 839a8687eb16ad21f15f55e5e2aa61a5422d58a0..f5c30299565b19c3bcb90b6d73856c6ce1779d2b 100644
--- a/third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp
+++ b/third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp
@@ -44,6 +44,16 @@ DEFINE_TRACE(OffscreenCanvasRenderingContext2D)
     BaseRenderingContext2D::trace(visitor);
 }
 
+void OffscreenCanvasRenderingContext2D::commit(ExecutionContext* executionContext)
+{
+    if (executionContext->isWorkerGlobalScope()) {
+        // TODO(563858/xlai): implement commit() on worker thread; currently, do

[danakj, 2016/09/02 21:51:00]

Sorry it should be

TODO(xlai): Stuff to do etc, see crbug.com/563858.

or

TODO(crbug.com/563858): Stuff to do etc.

[xlai (Olivia), 2016/09/02 23:41:28]

Done.

+        // nothing for worker thread.
+        return;
+    }
+    getOffscreenCanvas()->getOrCreateFrameDispatcher()->dispatchFrame();
+}
+
 // BaseRenderingContext2D implementation
 bool OffscreenCanvasRenderingContext2D::originClean() const
 {