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

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

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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 54 matching lines @@
   return null_image;
 }
 
 PassRefPtr<Image> Image::LoadPlatformResource(const char* name) {
   const WebData& resource = Platform::Current()->GetDataResource(name);
   if (resource.IsEmpty())
     return Image::NullImage();
 
   RefPtr<Image> image = BitmapImage::Create();
   image->SetData(resource, true);
-  return image.Release();
+  return image;
 }
 
 bool Image::SupportsType(const String& type) {
   return MIMETypeRegistry::IsSupportedImageResourceMIMEType(type);
 }
 
 Image::SizeAvailability Image::SetData(RefPtr<SharedBuffer> data,
                                        bool all_data_received) {
   encoded_image_data_ = std::move(data);
   if (!encoded_image_data_.Get())
@@ skipping 248 matching lines @@
 
   context.DrawRect(dest_rect, flags);
 
   if (CurrentFrameIsLazyDecoded())
     PlatformInstrumentation::DidDrawLazyPixelRef(image_id);
 }
 
 PassRefPtr<Image> Image::ImageForDefaultFrame() {
   RefPtr<Image> image(this);
 
-  return image.Release();
+  return image;
 }
 
 PaintImage Image::PaintImageForCurrentFrame() {
   auto animation_type = MaybeAnimated() ? PaintImage::AnimationType::ANIMATED
                                         : PaintImage::AnimationType::STATIC;
   auto completion_state = CurrentFrameIsComplete()
                               ? PaintImage::CompletionState::DONE
                               : PaintImage::CompletionState::PARTIALLY_DONE;
   return PaintImage(stable_image_id_, ImageForCurrentFrame(), animation_type,
                     completion_state, FrameCount(), is_multipart_);
@@ skipping 46 matching lines @@
   FloatRect subset = dest;
   subset.SetX((dest.X() - tile.X()) / scale.Width());
   subset.SetY((dest.Y() - tile.Y()) / scale.Height());
   subset.SetWidth(dest.Width() / scale.Width());
   subset.SetHeight(dest.Height() / scale.Height());
 
   return subset;
 }
 
 }  // namespace blink