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

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

 /*
  * 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)
  * Copyright (C) 2003-2011, 2013, 2014 Apple 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
@@ skipping 265 matching lines @@
 
     void setBooleanAttribute(const QualifiedName&, bool);
 
     virtual const StylePropertySet* additionalPresentationAttributeStyle() { return nullptr; }
     void invalidateStyleAttribute();
 
     const StylePropertySet* inlineStyle() const { return elementData() ? elementData()->m_inlineStyle.get() : nullptr; }
 
     void setInlineStyleProperty(CSSPropertyID, CSSValueID identifier, bool important = false);
     void setInlineStyleProperty(CSSPropertyID, double value, CSSPrimitiveValue::UnitType, bool important = false);
-    void setInlineStyleProperty(CSSPropertyID, CSSValue*, bool important = false);
+    void setInlineStyleProperty(CSSPropertyID, const CSSValue*, bool important = false);
     bool setInlineStyleProperty(CSSPropertyID, const String& value, bool important = false);
 
     bool removeInlineStyleProperty(CSSPropertyID);
     void removeAllInlineStyleProperties();
 
     void synchronizeStyleAttributeInternal() const;
 
     const StylePropertySet* presentationAttributeStyle();
     virtual bool isPresentationAttribute(const QualifiedName&) const { return false; }
     virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) { }
@@ skipping 671 matching lines @@
     static T* create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
     T* T::create(const QualifiedName& tagName, Document& document) \
     { \
         return new T(tagName, document); \
     }
 
 } // namespace blink
 
 #endif // Element_h