Removed calls to RefPtr::Release in return statements with auto move.

third_party/WebKit/Source/platform/graphics/BitmapImage.cpp

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple 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 38 matching lines @@
     const SkBitmap& bitmap,
     ImageOrientation orientation) {
   if (bitmap.isNull()) {
     return BitmapImage::Create();
   }
 
   RefPtr<BitmapImage> result = AdoptRef(new BitmapImage(bitmap));
   result->frames_[0].orientation_ = orientation;
   if (orientation.UsesWidthAsHeight())
     result->size_respecting_orientation_ = result->size_.TransposedSize();
-  return result.Release();
+  return result;
 }
 
 BitmapImage::BitmapImage(ImageObserver* observer, bool is_multipart)
     : Image(observer, is_multipart),
       current_frame_(0),
       cached_frame_index_(0),
       animation_policy_(kImageAnimationPolicyAllowed),
       animation_finished_(false),
       all_data_received_(false),
       have_size_(false),
@@ skipping 573 matching lines @@
 
   return true;
 }
 
 void BitmapImage::NotifyObserversOfAnimationAdvance(TimerBase*) {
   if (GetImageObserver())
     GetImageObserver()->AnimationAdvanced(this);
 }
 
 }  // namespace blink