Compositing Layer update for OffscreenCanvas resize

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

Index: third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.h
diff --git a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.h b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.h
index e43b2c29730a7c42d38adf7487d475f9488361e0..d6444c423dbdfaa04d3f43c0b90efef7266dab24 100644
--- a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.h
+++ b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.h
@@ -27,8 +27,8 @@ class PLATFORM_EXPORT OffscreenCanvasFrameDispatcherImpl final
                                      uint64_t nonceHigh,
                                      uint64_t nonceLow,
                                      int canvasId,
-                                     int width,
-                                     int height);
+                                     unsigned width,
+                                     unsigned height);
 
   // OffscreenCanvasFrameDispatcher implementation.
   ~OffscreenCanvasFrameDispatcherImpl() override {}
@@ -51,10 +51,12 @@ class PLATFORM_EXPORT OffscreenCanvasFrameDispatcherImpl final
     OffscreenCanvasCommitTypeCount,
   };
 
+  void reshape(unsigned width, unsigned height) override;
+
  private:
-  const cc::SurfaceId m_surfaceId;
-  const int m_width;
-  const int m_height;
+  const cc::FrameSinkId m_frameSinkId;
+  int m_width;
+  int m_height;
 
   unsigned m_nextResourceId;
   HashMap<unsigned, RefPtr<StaticBitmapImage>> m_cachedImages;