Make PropertyReference value() return a const CSSValue&

third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/cssom/InlineStylePropertyMap.h"
 
 #include "bindings/core/v8/Iterable.h"
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSCustomIdentValue.h"
 #include "core/css/CSSCustomPropertyDeclaration.h"
@@ skipping 136 matching lines @@
 HeapVector<StylePropertyMap::StylePropertyMapEntry> InlineStylePropertyMap::getIterationEntries()
 {
     HeapVector<StylePropertyMap::StylePropertyMapEntry> result;
     StylePropertySet& inlineStyleSet = m_ownerElement->ensureMutableInlineStyle();
     for (unsigned i = 0; i < inlineStyleSet.propertyCount(); i++) {
         StylePropertySet::PropertyReference propertyReference = inlineStyleSet.propertyAt(i);
         CSSPropertyID propertyID = propertyReference.id();
         String name;
         CSSStyleValueOrCSSStyleValueSequence value;
         if (propertyID == CSSPropertyVariable) {
-            const CSSCustomPropertyDeclaration* customDeclaration = toCSSCustomPropertyDeclaration(propertyReference.value());
-            name = customDeclaration->name();
+            const CSSCustomPropertyDeclaration& customDeclaration = toCSSCustomPropertyDeclaration(propertyReference.value());
+            name = customDeclaration.name();
             // TODO(meade): Eventually custom properties will support other types, so actually return them instead of always returning a CSSUnsupportedStyleValue.
-            value.setCSSStyleValue(CSSUnsupportedStyleValue::create(customDeclaration->customCSSText()));
+            value.setCSSStyleValue(CSSUnsupportedStyleValue::create(customDeclaration.customCSSText()));
         } else if (propertyID == CSSPropertyApplyAtRule) {
             name = "@apply";
-            value.setCSSStyleValue(CSSUnsupportedStyleValue::create(toCSSCustomIdentValue(propertyReference.value())->value()));
+            value.setCSSStyleValue(CSSUnsupportedStyleValue::create(toCSSCustomIdentValue(propertyReference.value()).value()));
         } else {
             name = getPropertyNameString(propertyID);
-            CSSStyleValueVector styleValueVector = StyleValueFactory::cssValueToStyleValueVector(propertyID, *propertyReference.value());
+            CSSStyleValueVector styleValueVector = StyleValueFactory::cssValueToStyleValueVector(propertyID, propertyReference.value());
             if (styleValueVector.size() == 1)
                 value.setCSSStyleValue(styleValueVector[0]);
             else
                 value.setCSSStyleValueSequence(styleValueVector);
         }
         result.append(std::make_pair(name, value));
     }
     return result;
 }
 
 } // namespace blink