Replaced PassRefPtr copies with moves in Source/core.

third_party/WebKit/Source/core/style/ShapeValue.h

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. 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.
@@ skipping 32 matching lines @@
 public:
     enum ShapeValueType {
         // The Auto value is defined by a null ShapeValue*
         Shape,
         Box,
         Image
     };
 
     static ShapeValue* createShapeValue(PassRefPtr<BasicShape> shape, CSSBoxType cssBox)
     {
-        return new ShapeValue(shape, cssBox);
+        return new ShapeValue(std::move(shape), cssBox);
     }
 
     static ShapeValue* createBoxShapeValue(CSSBoxType cssBox)
     {
         return new ShapeValue(cssBox);
     }
 
     static ShapeValue* createImageValue(StyleImage* image)
     {
         return new ShapeValue(image);
@@ skipping 71 matching lines @@
         return dataEquivalent(image(), other.image());
     }
 
     ASSERT_NOT_REACHED();
     return false;
 }
 
 } // namespace blink
 
 #endif