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

third_party/WebKit/Source/core/animation/Keyframe.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Keyframe_h
 #define Keyframe_h
 
 #include "core/CoreExport.h"
 #include "core/animation/AnimationEffectReadOnly.h"
 #include "core/animation/EffectModel.h"
@@ skipping 38 matching lines @@
                              const RefPtr<Keyframe>& b) {
     return a->Offset() < b->Offset();
   }
 
   virtual PropertyHandleSet Properties() const = 0;
 
   virtual PassRefPtr<Keyframe> Clone() const = 0;
   PassRefPtr<Keyframe> CloneWithOffset(double offset) const {
     RefPtr<Keyframe> the_clone = Clone();
     the_clone->SetOffset(offset);
-    return the_clone.Release();
+    return the_clone;
   }
 
   virtual bool IsAnimatableValueKeyframe() const { return false; }
   virtual bool IsStringKeyframe() const { return false; }
   virtual bool IsTransitionKeyframe() const { return false; }
 
   // Represents a property-value pair in a keyframe.
   class PropertySpecificKeyframe : public RefCounted<PropertySpecificKeyframe> {
     USING_FAST_MALLOC(PropertySpecificKeyframe);
     WTF_MAKE_NONCOPYABLE(PropertySpecificKeyframe);
@@ skipping 61 matching lines @@
   double offset_;
   EffectModel::CompositeOperation composite_;
   RefPtr<TimingFunction> easing_;
 };
 
 using PropertySpecificKeyframe = Keyframe::PropertySpecificKeyframe;
 
 }  // namespace blink
 
 #endif  // Keyframe_h