Make OffscreenCanvas resizeable

third_party/WebKit/Source/core/html/HTMLCanvasElement.h

 /*
  * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 81 matching lines @@
 
   // Attributes and functions exposed to script
   int width() const { return size().width(); }
   int height() const { return size().height(); }
 
   const IntSize& size() const { return m_size; }
 
   void setWidth(int, ExceptionState&);
   void setHeight(int, ExceptionState&);
 
-  void setSize(const IntSize& newSize);
+  void setSize(const IntSize& newSize) override;
 
   // Called by Document::getCSSCanvasContext as well as above getContext().
   CanvasRenderingContext* getCanvasRenderingContext(
       const String&,
       const CanvasContextCreationAttributes&);
 
   bool isPaintable() const;
 
   String toDataURL(const String& mimeType,
                    const ScriptValue& qualityArgument,
@@ skipping 191 matching lines @@
   // Used for OffscreenCanvas that controls this HTML canvas element
   std::unique_ptr<CanvasSurfaceLayerBridge> m_surfaceLayerBridge;
 
   int m_numFramesSinceLastRenderingModeSwitch;
   bool m_pendingRenderingModeSwitch;
 };
 
 }  // namespace blink
 
 #endif  // HTMLCanvasElement_h