Make CSSStyleValue::toCSSValue() return a const CSSValue*

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 3557 matching lines @@
 void Element::setInlineStyleProperty(CSSPropertyID propertyID, CSSValueID identifier, bool important)
 {
     setInlineStyleProperty(propertyID, CSSPrimitiveValue::createIdentifier(identifier), important);
 }
 
 void Element::setInlineStyleProperty(CSSPropertyID propertyID, double value, CSSPrimitiveValue::UnitType unit, bool important)
 {
     setInlineStyleProperty(propertyID, CSSPrimitiveValue::create(value, unit), important);
 }
 
-void Element::setInlineStyleProperty(CSSPropertyID propertyID, CSSValue* value, bool important)
+void Element::setInlineStyleProperty(CSSPropertyID propertyID, const CSSValue* value, bool important)
 {
     DCHECK(isStyledElement());
     ensureMutableInlineStyle().setProperty(propertyID, value, important);
     inlineStyleChanged();
 }
 
 bool Element::setInlineStyleProperty(CSSPropertyID propertyID, const String& value, bool important)
 {
     DCHECK(isStyledElement());
     bool changes = ensureMutableInlineStyle().setProperty(propertyID, value, important, document().elementSheet().contents());
@@ skipping 156 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink