Oilpan: move SVG property hierarchy to the heap.

Source/core/css/resolver/StyleResourceLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 32 matching lines @@
 StyleResourceLoader::StyleResourceLoader(ResourceFetcher* fetcher)
     : m_fetcher(fetcher)
 {
 }
 
 void StyleResourceLoader::loadPendingSVGDocuments(RenderStyle* renderStyle, ElementStyleResources& elementStyleResources)
 {
     if (!renderStyle->hasFilter() || elementStyleResources.pendingSVGDocuments().isEmpty())
         return;
 
-    Vector<RefPtr<FilterOperation> >& filterOperations = renderStyle->mutableFilter().operations();
+    FilterOperations::FilterOperationVector& filterOperations = renderStyle->mutableFilter().operations();
     for (unsigned i = 0; i < filterOperations.size(); ++i) {
-        RefPtr<FilterOperation> filterOperation = filterOperations.at(i);
+        RefPtrWillBeRawPtr<FilterOperation> filterOperation = filterOperations.at(i);
         if (filterOperation->type() == FilterOperation::REFERENCE) {
             ReferenceFilterOperation* referenceFilter = toReferenceFilterOperation(filterOperation.get());
 
             CSSSVGDocumentValue* value = elementStyleResources.pendingSVGDocuments().get(referenceFilter);
             if (!value)
                 continue;
             DocumentResource* resource = value->load(m_fetcher);
             if (!resource)
                 continue;
 
@@ skipping 136 matching lines @@
 void StyleResourceLoader::loadPendingResources(RenderStyle* renderStyle, ElementStyleResources& elementStyleResources)
 {
     // Start loading images referenced by this style.
     loadPendingImages(renderStyle, elementStyleResources);
 
     // Start loading the SVG Documents referenced by this style.
     loadPendingSVGDocuments(renderStyle, elementStyleResources);
 }
 
 }