Make OffscreenCanvas resizeable

third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.h

 // Copyright 2015 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 OffscreenCanvas_h
 #define OffscreenCanvas_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptWrappable.h"
@@ skipping 19 matching lines @@
                                           public CanvasImageSource {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static OffscreenCanvas* create(unsigned width, unsigned height);
   ~OffscreenCanvas() override {}
 
   // IDL attributes
   unsigned width() const { return m_size.width(); }
   unsigned height() const { return m_size.height(); }
-  void setWidth(unsigned, ExceptionState&);
-  void setHeight(unsigned, ExceptionState&);
+  void setWidth(unsigned);
+  void setHeight(unsigned);
 
   // API Methods
   ImageBitmap* transferToImageBitmap(ScriptState*, ExceptionState&);
   ScriptPromise convertToBlob(ScriptState*,
                               const ImageEncodeOptions&,
                               ExceptionState&);
 
   IntSize size() const { return m_size; }
+  void setSize(const IntSize&);
+
   void setPlaceholderCanvasId(int canvasId) {
     m_placeholderCanvasId = canvasId;
   }
   int placeholderCanvasId() const { return m_placeholderCanvasId; }
   bool hasPlaceholderCanvas() {
     return m_placeholderCanvasId != kNoPlaceholderCanvas;
   }
   bool isNeutered() const { return m_isNeutered; }
   void setNeutered();
   CanvasRenderingContext* getCanvasRenderingContext(
@@ skipping 92 matching lines @@
   uint32_t m_clientId = 0;
   uint32_t m_sinkId = 0;
   uint32_t m_localId = 0;
   uint64_t m_nonceHigh = 0;
   uint64_t m_nonceLow = 0;
 };
 
 }  // namespace blink
 
 #endif  // OffscreenCanvas_h