Revert of Fix ImageAnimation constant names after Blink renaming

third_party/WebKit/Source/platform/image-decoders/png/PNGImageReader.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 517 matching lines @@
         ReadAsConstPngBytep(reader, read_offset_, 8, read_buffer);
     length = png_get_uint_32(chunk);
 
     if (IsChunk(chunk, "IDAT")) {
       // Done with header chunks.
       idat_offset_ = read_offset_;
       fctl_needs_dat_chunk_ = false;
       if (ignore_animation_)
         is_animated_ = false;
       if (!is_animated_ || 1 == reported_frame_count_)
-        decoder_->SetRepetitionCount(kAnimationNone);
+        decoder_->SetRepetitionCount(kCAnimationNone);
       if (!decoder_->SetSize(width_, height_))
         return false;
       decoder_->SetColorSpace();
       decoder_->HeaderAvailable();
       return true;
     }
 
     // Wait until the entire chunk is available for parsing simplicity.
     if (reader.size() < read_offset_ + length + 12)
       break;
@@ skipping 132 matching lines @@
       break;
     default:
       return false;
   }
 
   fctl_needs_dat_chunk_ = true;
   return true;
 }
 
 }  // namespace blink