Oilpan: Change references to MutableStylePropertySet to transition types.

Source/core/css/resolver/ViewportStyleResolver.cpp

 /*
  * Copyright (C) 2012-2013 Intel Corporation. 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 24 matching lines @@
 #include "core/css/CSSToLengthConversionData.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRule.h"
 #include "core/dom/Document.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/ViewportDescription.h"
 #include "core/frame/FrameView.h"
 
 namespace WebCore {
 
+DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ViewportStyleResolver);
+
 ViewportStyleResolver::ViewportStyleResolver(Document* document)
     : m_document(document),
     m_hasAuthorStyle(false)
 {
     ASSERT(m_document);
 }
 
-ViewportStyleResolver::~ViewportStyleResolver()
-{
-}
-
 void ViewportStyleResolver::collectViewportRules(RuleSet* rules, Origin origin)
 {
     rules->compactRulesIfNeeded();
 
     const WillBeHeapVector<RawPtrWillBeMember<StyleRuleViewport> >& viewportRules = rules->viewportRules();
     for (size_t i = 0; i < viewportRules.size(); ++i)
         addViewportRule(viewportRules[i], origin);
 }
 
 void ViewportStyleResolver::addViewportRule(StyleRuleViewport* viewportRule, Origin origin)
@@ skipping 133 matching lines @@
     float height = view ? view->height() : 0;
 
     Length result = primitiveValue->convertToLength<AnyConversion>(CSSToLengthConversionData(documentStyle, documentStyle, width, height, 1.0f));
     if (documentStyle->hasViewportUnits())
         m_document->setHasViewportUnits();
     documentStyle->setHasViewportUnits(documentStyleHasViewportUnits);
 
     return result;
 }
 
+void ViewportStyleResolver::trace(Visitor* visitor)
+{
+    visitor->trace(m_propertySet);
+}
+
 } // namespace WebCore