Move gif image decoder to SkCodec

third_party/WebKit/Source/platform/image-decoders/ImageFrame.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 27 matching lines @@
 class SkImage;
 
 namespace blink {
 
 // ImageFrame represents the decoded image data.  This buffer is what all
 // decoders write a single frame into.
 class PLATFORM_EXPORT ImageFrame final {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
-  enum Status { kFrameEmpty, kFramePartial, kFrameComplete };
+  enum Status { kFrameEmpty, kFrameAllocated, kFramePartial, kFrameComplete };
   enum DisposalMethod {
     // If you change the numeric values of these, make sure you audit
     // all users, as some users may cast raw values to/from these
     // constants.
     kDisposeNotSpecified,      // Leave frame in framebuffer
     kDisposeKeep,              // Leave frame in framebuffer
     kDisposeOverwriteBgcolor,  // Clear frame to fully transparent
     kDisposeOverwritePrevious  // Clear frame to previous framebuffer contents
   };
   // Indicates how non-opaque pixels in the current frame rectangle
@@ skipping 235 matching lines @@
   // The frame that must be decoded before this frame can be decoded.
   // WTF::kNotFound if this frame doesn't require any previous frame.
   // This is used by ImageDecoder::ClearCacheExceptFrame(), and will never
   // be read for image formats that do not have multiple frames.
   size_t required_previous_frame_index_;
 };
 
 }  // namespace blink
 
 #endif