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

third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.cpp

 /*
  * Copyright (c) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 BlackBerry Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 704 matching lines @@
   }
 
 #if DCHECK_IS_ON()
   DCHECK_EQ(length, result->NumCharacters());
   if (length) {
     DCHECK_EQ(start, result->StartIndexForResult());
     DCHECK_EQ(end, result->EndIndexForResult());
   }
 #endif
 
-  return result.Release();
+  return result;
 }
 
 PassRefPtr<ShapeResult> HarfBuzzShaper::Shape(const Font* font,
                                               TextDirection direction) const {
   return Shape(font, direction, 0, text_length_);
 }
 
 }  // namespace blink