Remove OwnPtr::release() calls in platform/ (part 1).

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 133 matching lines @@
 
     static PassOwnPtr<MockImageDecoderFactory> create(MockImageDecoderClient* client, const IntSize& decodedSize)
     {
         return adoptPtr(new MockImageDecoderFactory(client, decodedSize));
     }
 
     PassOwnPtr<ImageDecoder> create() override
     {
         OwnPtr<MockImageDecoder> decoder = MockImageDecoder::create(m_client);
         decoder->setSize(m_decodedSize.width(), m_decodedSize.height());
-        return decoder.release();
+        return std::move(decoder);
     }
 
 private:
     MockImageDecoderFactory(MockImageDecoderClient* client, const IntSize& decodedSize)
         : m_client(client)
         , m_decodedSize(decodedSize)
     {
     }
 
     MockImageDecoderClient* m_client;
     IntSize m_decodedSize;
 };
 
 } // namespace blink
 
 #endif // MockImageDecoder_h