Oilpan: Remove raw pointer to LocalFrame from MediaValuesDynamic

Source/core/css/MediaValues.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 MediaValues_h
 #define MediaValues_h
 
 #include "core/CoreExport.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/PointerProperties.h"
 #include "public/platform/WebDisplayMode.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class Document;
 class CSSPrimitiveValue;
 class LocalFrame;
 
-class CORE_EXPORT MediaValues : public RefCounted<MediaValues> {
+class CORE_EXPORT MediaValues : public RefCountedWillBeGarbageCollectedFinalized<MediaValues> {
 public:
 
     virtual ~MediaValues() { }
+    DEFINE_INLINE_VIRTUAL_TRACE() { }
 
-    static PassRefPtr<MediaValues> createDynamicIfFrameExists(LocalFrame*);
-    virtual PassRefPtr<MediaValues> copy() const = 0;
+    static PassRefPtrWillBeRawPtr<MediaValues> createDynamicIfFrameExists(LocalFrame*);
+    virtual PassRefPtrWillBeRawPtr<MediaValues> copy() const = 0;
     virtual bool isSafeToSendToAnotherThread() const = 0;
 
     static bool computeLengthImpl(double value, CSSPrimitiveValue::UnitType, unsigned defaultFontSize, unsigned viewportWidth, unsigned viewportHeight, double& result);
     template<typename T>
     static bool computeLength(double value, CSSPrimitiveValue::UnitType type, unsigned defaultFontSize, unsigned viewportWidth, unsigned viewportHeight, T& result)
     {
         double tempResult;
         if (!computeLengthImpl(value, type, defaultFontSize, viewportWidth, viewportHeight, tempResult))
             return false;
         result = clampTo<T>(tempResult);
@@ skipping 39 matching lines @@
     int calculateAvailablePointerTypes(LocalFrame*) const;
     HoverType calculatePrimaryHoverType(LocalFrame*) const;
     int calculateAvailableHoverTypes(LocalFrame*) const;
     static LocalFrame* frameFrom(Document&);
 
 };
 
 } // namespace
 
 #endif // MediaValues_h