Make OffscreenCanvas commit() propagate the origin-clean flag.

third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/OffscreenCanvasFrameDispatcherImpl.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "platform/CrossThreadFunctional.h"
@@ skipping 146 matching lines @@
   // Hold ref to |image|, to keep it alive until the browser ReclaimResources.
   // It guarantees that the resource is not re-used or deleted.
   m_cachedImages.add(m_nextResourceId, std::move(image));
 }
 
 namespace {
 
 void updatePlaceholderImage(WeakPtr<OffscreenCanvasFrameDispatcher> dispatcher,
                             std::unique_ptr<WebTaskRunner> taskRunner,
                             int placeholderCanvasId,
-                            RefPtr<blink::Image> image,
+                            RefPtr<blink::StaticBitmapImage> image,
                             unsigned resourceId) {
   DCHECK(isMainThread());
   OffscreenCanvasPlaceholder* placeholderCanvas =
       OffscreenCanvasPlaceholder::getPlaceholderById(placeholderCanvasId);
   if (placeholderCanvas) {
     placeholderCanvas->setPlaceholderFrame(std::move(image),
                                            std::move(dispatcher),
                                            std::move(taskRunner), resourceId);
   }
 }
@@ skipping 231 matching lines @@
     return true;
   return false;
 }
 
 void OffscreenCanvasFrameDispatcherImpl::reshape(int width, int height) {
   m_width = width;
   m_height = height;
 }
 
 }  // namespace blink