Make OffscreenCanvas resizable

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

 // 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.
 
 #ifndef OffscreenCanvasFrameDispatcherImpl_h
 #define OffscreenCanvasFrameDispatcherImpl_h
 
 #include "cc/ipc/mojo_compositor_frame_sink.mojom-blink.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/resources/shared_bitmap.h"
@@ skipping 43 matching lines @@
   void reshape(int width, int height) override;
 
  private:
   // Surface-related
   cc::SurfaceIdAllocator m_surfaceIdAllocator;
   const cc::FrameSinkId m_frameSinkId;
   cc::LocalFrameId m_currentLocalFrameId;
 
   int m_width;
   int m_height;
+  bool m_changeSizeForNextCommit;
 
   unsigned m_nextResourceId;
   HashMap<unsigned, RefPtr<StaticBitmapImage>> m_cachedImages;
   HashMap<unsigned, std::unique_ptr<cc::SharedBitmap>> m_sharedBitmaps;
   HashMap<unsigned, GLuint> m_cachedTextureIds;
   HashSet<unsigned> m_spareResourceLocks;
 
   bool verifyImageSize(const IntSize);
 
   cc::mojom::blink::MojoCompositorFrameSinkPtr m_sink;
   mojo::Binding<cc::mojom::blink::MojoCompositorFrameSinkClient> m_binding;
 
   int m_placeholderCanvasId;
 
   void setTransferableResourceToSharedBitmap(cc::TransferableResource&,
                                              RefPtr<StaticBitmapImage>);
   void setTransferableResourceToSharedGPUContext(cc::TransferableResource&,
                                                  RefPtr<StaticBitmapImage>);
   void setTransferableResourceToStaticBitmapImage(cc::TransferableResource&,
                                                   RefPtr<StaticBitmapImage>);
 };
 
 }  // namespace blink
 
 #endif  // OffscreenCanvasFrameDispatcherImpl_h