Oilpan: Remove raw pointer to LocalFrame from MediaValuesDynamic

Source/core/css/MediaValues.cpp

 // 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.
 
 #include "config.h"
 #include "core/css/MediaValues.h"
 
 #include "core/css/CSSHelper.h"
 #include "core/css/MediaValuesCached.h"
 #include "core/css/MediaValuesDynamic.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/html/imports/HTMLImportsController.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/Page.h"
 #include "core/style/ComputedStyle.h"
 #include "public/platform/WebScreenInfo.h"
 
 namespace blink {
 
-PassRefPtr<MediaValues> MediaValues::createDynamicIfFrameExists(LocalFrame* frame)
+PassRefPtrWillBeRawPtr<MediaValues> MediaValues::createDynamicIfFrameExists(LocalFrame* frame)
 {
     if (frame)
         return MediaValuesDynamic::create(frame);
     return MediaValuesCached::create();
 }
 
 int MediaValues::calculateViewportWidth(LocalFrame* frame) const
 {
     ASSERT(frame && frame->view() && frame->document());
     int viewportWidth = frame->view()->layoutSize(IncludeScrollbars).width();
@@ skipping 178 matching lines @@
 }
 
 LocalFrame* MediaValues::frameFrom(Document& document)
 {
     Document* executingDocument = document.importsController() ? document.importsController()->master() : &document;
     ASSERT(executingDocument);
     return executingDocument->frame();
 }
 
 } // namespace