Move create() methods from StylePropertySet to MutableStylePropertySet.

Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 171 matching lines @@
 HANDLE_INHERIT(prop, Prop) \
 if (isInitial) { \
     m_state.style()->set##Prop(RenderStyle::initial##Prop()); \
     return; \
 }
 
 RenderStyle* StyleResolver::s_styleNotYetAvailable;
 
 static StylePropertySet* leftToRightDeclaration()
 {
-    DEFINE_STATIC_LOCAL(RefPtr<StylePropertySet>, leftToRightDecl, (StylePropertySet::create()));
+    DEFINE_STATIC_LOCAL(RefPtr<MutableStylePropertySet>, leftToRightDecl, (MutableStylePropertySet::create()));
     if (leftToRightDecl->isEmpty())
         leftToRightDecl->setProperty(CSSPropertyDirection, CSSValueLtr);
     return leftToRightDecl.get();
 }
 
 static StylePropertySet* rightToLeftDeclaration()
 {
-    DEFINE_STATIC_LOCAL(RefPtr<StylePropertySet>, rightToLeftDecl, (StylePropertySet::create()));
+    DEFINE_STATIC_LOCAL(RefPtr<MutableStylePropertySet>, rightToLeftDecl, (MutableStylePropertySet::create()));
     if (rightToLeftDecl->isEmpty())
         rightToLeftDecl->setProperty(CSSPropertyDirection, CSSValueRtl);
     return rightToLeftDecl.get();
 }
 
 
 void StyleResolver::MatchResult::addMatchedProperties(const StylePropertySet* properties, StyleRule* rule, unsigned linkMatchType, PropertyWhitelistType propertyWhitelistType)
 {
     matchedProperties.grow(matchedProperties.size() + 1);
     StyleResolver::MatchedProperties& newProperties = matchedProperties.last();
@@ skipping 2175 matching lines @@
 void StyleResolver::resolveVariables(CSSPropertyID id, CSSValue* value, Vector<std::pair<CSSPropertyID, String> >& knownExpressions)
 {
     std::pair<CSSPropertyID, String> expression(id, value->serializeResolvingVariables(*m_state.style()->variables()));
 
     if (knownExpressions.contains(expression))
         return; // cycle detected.
 
     knownExpressions.append(expression);
 
     // FIXME: It would be faster not to re-parse from strings, but for now CSS property validation lives inside the parser so we do it there.
-    RefPtr<StylePropertySet> resultSet = StylePropertySet::create();
+    RefPtr<MutableStylePropertySet> resultSet = MutableStylePropertySet::create();
     if (!CSSParser::parseValue(resultSet.get(), id, expression.second, false, document()))
         return; // expression failed to parse.
 
     for (unsigned i = 0; i < resultSet->propertyCount(); i++) {
         StylePropertySet::PropertyReference property = resultSet->propertyAt(i);
         if (property.id() != CSSPropertyVariable && hasVariableReference(property.value()))
             resolveVariables(property.id(), property.value(), knownExpressions);
         else
             applyProperty(property.id(), property.value());
     }
@@ skipping 1453 matching lines @@
     info.addMember(m_state, "state");
 
     // FIXME: move this to a place where it would be called only once?
     info.addMember(CSSDefaultStyleSheets::defaultStyle, "defaultStyle");
     info.addMember(CSSDefaultStyleSheets::defaultQuirksStyle, "defaultQuirksStyle");
     info.addMember(CSSDefaultStyleSheets::defaultPrintStyle, "defaultPrintStyle");
     info.addMember(CSSDefaultStyleSheets::defaultViewSourceStyle, "defaultViewSourceStyle");
 }
 
 } // namespace WebCore