Refactor ImageFrame::setSizeAndColorSpace()

third_party/WebKit/Source/platform/graphics/test/MockImageDecoder.h

 /*
  * Copyright (C) 2012 Google Inc. 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 93 matching lines @@
   void decodeSize() override {}
 
   size_t decodeFrameCount() override { return m_client->frameCount(); }
 
   void decode(size_t index) override {
     m_client->decodeRequested();
     m_frameBufferCache[index].setStatus(m_client->status());
   }
 
   void initializeNewFrame(size_t index) override {
-    m_frameBufferCache[index].setSizeAndColorSpace(
-        size().width(), size().height(), colorSpaceForSkImages());
+    if (m_frameBufferCache[index].setSizeAndColorSpace(
+            size().width(), size().height(), colorSpaceForSkImages()))
+      m_frameBufferCache[index].zeroFillPixelData();
     m_frameBufferCache[index].setHasAlpha(false);
   }
 
   MockImageDecoderClient* m_client;
 };
 
 class MockImageDecoderFactory : public ImageDecoderFactory {
  public:
   static std::unique_ptr<MockImageDecoderFactory> create(
       MockImageDecoderClient* client,
@@ skipping 20 matching lines @@
                           const IntSize& decodedSize)
       : m_client(client), m_decodedSize(decodedSize) {}
 
   MockImageDecoderClient* m_client;
   IntSize m_decodedSize;
 };
 
 }  // namespace blink
 
 #endif  // MockImageDecoder_h