Move CSSOM classes to using MutableStylePropertySet over StylePropertySet.

Source/core/css/PropertySetCSSStyleDeclaration.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. 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 294 matching lines @@
 PassRefPtr<MutableStylePropertySet> PropertySetCSSStyleDeclaration::copyProperties() const
 {
     return m_propertySet->mutableCopy();
 }
 
 bool PropertySetCSSStyleDeclaration::cssPropertyMatches(CSSPropertyID propertyID, const CSSValue* propertyValue) const
 {
     return m_propertySet->propertyMatches(propertyID, propertyValue);
 }
     
-StyleRuleCSSStyleDeclaration::StyleRuleCSSStyleDeclaration(StylePropertySet* propertySet, CSSRule* parentRule)
+StyleRuleCSSStyleDeclaration::StyleRuleCSSStyleDeclaration(MutableStylePropertySet* propertySet, CSSRule* parentRule)
     : PropertySetCSSStyleDeclaration(propertySet)
     , m_refCount(1)
     , m_parentRule(parentRule) 
 {
     m_propertySet->ref();
 }
 
 StyleRuleCSSStyleDeclaration::~StyleRuleCSSStyleDeclaration()
 {
     m_propertySet->deref();
@@ skipping 25 matching lines @@
     // Style sheet mutation needs to be signaled even if the change failed. willMutateRules/didMutateRules must pair.
     if (m_parentRule && m_parentRule->parentStyleSheet())
         m_parentRule->parentStyleSheet()->didMutateRules();
 }
 
 CSSStyleSheet* StyleRuleCSSStyleDeclaration::parentStyleSheet() const
 {
     return m_parentRule ? m_parentRule->parentStyleSheet() : 0;
 }
 
-void StyleRuleCSSStyleDeclaration::reattach(StylePropertySet* propertySet)
+void StyleRuleCSSStyleDeclaration::reattach(MutableStylePropertySet* propertySet)
 {
     ASSERT(propertySet);
     m_propertySet->deref();
     m_propertySet = propertySet;
     m_propertySet->ref();
 }
 
 void StyleRuleCSSStyleDeclaration::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
@@ skipping 22 matching lines @@
     m_parentElement->invalidateStyleAttribute();
     StyleAttributeMutationScope(this).didInvalidateStyleAttr();
 }
 
 CSSStyleSheet* InlineCSSStyleDeclaration::parentStyleSheet() const
 {
     return m_parentElement ? m_parentElement->document()->elementSheet() : 0;
 }
 
 } // namespace WebCore