Non DCTSIZE multiple width support for JPEG YUV decoding

Source/platform/image-decoders/ImageDecoder.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2009-2010. 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 102 matching lines @@
     }
 
     virtual IntSize size() const { return m_size; }
 
     // Decoders which downsample images should override this method to
     // return the actual decoded size.
     virtual IntSize decodedSize() const { return size(); }
 
     // Decoders which support YUV decoding can override this to
     // give potentially different sizes per component.
-    virtual IntSize decodedYUVSize(int component) const { return decodedSize(); }
+    virtual IntSize decodedYUVSize(int component, bool memoryAllocation) const { return decodedSize(); }

[Stephen White, 2014/09/08 16:58:20]

Naming nit: memoryAllocation seems a little confusing to me (sounds like it's
requesting an actual memory allocation). Maybe forMemoryAllocation?

Of course, if you change this to an enum (see below), you can change the names
how you see fit.

[sugoi1, 2014/09/09 15:08:15]

Acknowledged.

 
     // This will only differ from size() for ICO (where each frame is a
     // different icon) or other formats where different frames are different
     // sizes. This does NOT differ from size() for GIF or WebP, since
     // decoding GIF or WebP composites any smaller frames against previous
     // frames to create full-size frames.
     virtual IntSize frameSizeAtIndex(size_t) const
     {
         return size();
     }
@@ skipping 189 matching lines @@
 
     IntSize m_size;
     bool m_sizeAvailable;
     bool m_isAllDataReceived;
     bool m_failed;
 };
 
 } // namespace blink
 
 #endif