Made StylePropertySet::getPropertyCSSValue return a const CSSValue*

third_party/WebKit/Source/core/css/StylePropertySet.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. 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 146 matching lines @@
 
 static String serializeShorthand(const StylePropertySet&, const AtomicString& customPropertyName)
 {
     // Custom properties are never shorthands.
     return "";
 }
 
 template<typename T>
 String StylePropertySet::getPropertyValue(T property) const
 {
-    CSSValue* value = getPropertyCSSValue(property);
+    const CSSValue* value = getPropertyCSSValue(property);
     if (value)
         return value->cssText();
     return serializeShorthand(*this, property);
 }
 template CORE_EXPORT String StylePropertySet::getPropertyValue<CSSPropertyID>(CSSPropertyID) const;
 template CORE_EXPORT String StylePropertySet::getPropertyValue<AtomicString>(AtomicString) const;
 
 template<typename T>
-CSSValue* StylePropertySet::getPropertyCSSValue(T property) const
+const CSSValue* StylePropertySet::getPropertyCSSValue(T property) const
 {
     int foundPropertyIndex = findPropertyIndex(property);
     if (foundPropertyIndex == -1)
         return nullptr;
     return propertyAt(foundPropertyIndex).value();
 }
-template CORE_EXPORT CSSValue* StylePropertySet::getPropertyCSSValue<CSSPropertyID>(CSSPropertyID) const;
-template CORE_EXPORT CSSValue* StylePropertySet::getPropertyCSSValue<AtomicString>(AtomicString) const;
+template CORE_EXPORT const CSSValue* StylePropertySet::getPropertyCSSValue<CSSPropertyID>(CSSPropertyID) const;
+template CORE_EXPORT const CSSValue* StylePropertySet::getPropertyCSSValue<AtomicString>(AtomicString) const;
 
 DEFINE_TRACE(StylePropertySet)
 {
     if (m_isMutable)
         toMutableStylePropertySet(this)->traceAfterDispatch(visitor);
     else
         toImmutableStylePropertySet(this)->traceAfterDispatch(visitor);
 }
 
 void StylePropertySet::finalizeGarbageCollectedObject()
@@ skipping 299 matching lines @@
 MutableStylePropertySet* StylePropertySet::mutableCopy() const
 {
     return new MutableStylePropertySet(*this);
 }
 
 MutableStylePropertySet* StylePropertySet::copyPropertiesInSet(const Vector<CSSPropertyID>& properties) const
 {
     HeapVector<CSSProperty, 256> list;
     list.reserveInitialCapacity(properties.size());
     for (unsigned i = 0; i < properties.size(); ++i) {
-        CSSValue* value = getPropertyCSSValue(properties[i]);
+        const CSSValue* value = getPropertyCSSValue(properties[i]);
         if (value)
             list.append(CSSProperty(properties[i], *value, false));
     }
     return MutableStylePropertySet::create(list.data(), list.size());
 }
 
 CSSStyleDeclaration* MutableStylePropertySet::ensureCSSStyleDeclaration()
 {
     // FIXME: get rid of this weirdness of a CSSStyleDeclaration inside of a
     // style property set.
@@ skipping 53 matching lines @@
 {
     return new MutableStylePropertySet(cssParserMode);
 }
 
 MutableStylePropertySet* MutableStylePropertySet::create(const CSSProperty* properties, unsigned count)
 {
     return new MutableStylePropertySet(properties, count);
 }
 
 } // namespace blink