Revert of Fix ImageAnimation constant names after Blink renaming

third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * Portions are Copyright (C) 2001 mozilla.org
  *
  * Other contributors:
  *   Stuart Parmenter <stuart@mozilla.com>
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 29 matching lines @@
 
 namespace blink {
 
 PNGImageDecoder::PNGImageDecoder(AlphaOption alpha_option,
                                  const ColorBehavior& color_behavior,
                                  size_t max_decoded_bytes,
                                  size_t offset)
     : ImageDecoder(alpha_option, color_behavior, max_decoded_bytes),
       offset_(offset),
       current_frame_(0),
-      // It would be logical to default to kAnimationNone, but BitmapImage uses
+      // It would be logical to default to kCAnimationNone, but BitmapImage uses
       // that as a signal to never check again, meaning the actual count will
       // never be respected.
-      repetition_count_(kAnimationLoopOnce),
+      repetition_count_(kCAnimationLoopOnce),
       has_alpha_channel_(false),
       current_buffer_saw_alpha_(false) {}
 
 PNGImageDecoder::~PNGImageDecoder() {}
 
 bool PNGImageDecoder::SetFailed() {
   reader_.reset();
   return ImageDecoder::SetFailed();
 }
 
@@ skipping 51 matching lines @@
   DCHECK(index < frame_buffer_cache_.size());
   return frame_buffer_cache_[index].GetDisposalMethod() !=
          ImageFrame::kDisposeOverwritePrevious;
 }
 
 void PNGImageDecoder::SetRepetitionCount(int repetition_count) {
   repetition_count_ = repetition_count;
 }
 
 int PNGImageDecoder::RepetitionCount() const {
-  return Failed() ? kAnimationLoopOnce : repetition_count_;
+  return Failed() ? kCAnimationLoopOnce : repetition_count_;
 }
 
 void PNGImageDecoder::InitializeNewFrame(size_t index) {
   const PNGImageReader::FrameInfo& frame_info = reader_->GetFrameInfo(index);
   ImageFrame& buffer = frame_buffer_cache_[index];
 
   DCHECK(IntRect(IntPoint(), Size()).Contains(frame_info.frame_rect));
   buffer.SetOriginalFrameRect(frame_info.frame_rect);
 
   buffer.SetDuration(frame_info.duration);
@@ skipping 347 matching lines @@
   return reader_->FrameIsReceivedAtIndex(index);
 }
 
 float PNGImageDecoder::FrameDurationAtIndex(size_t index) const {
   if (index < frame_buffer_cache_.size())
     return frame_buffer_cache_[index].Duration();
   return 0;
 }
 
 }  // namespace blink