Oilpan: tidy up some HeapVector<> uses.

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

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 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 591 matching lines @@
         result.append(left.value()->cssText());
     }
     return result.toString();
 }
 
 String StylePropertySerializer::getLayeredShorthandValue(const StylePropertyShorthand& shorthand) const
 {
     const unsigned size = shorthand.length();
 
     // Begin by collecting the properties into a vector.
-    WillBeHeapVector<const CSSValue*> values(size);
+    WillBeHeapVector<RawPtrWillBeMember<const CSSValue>> values(size);
     // If the below loop succeeds, there should always be at minimum 1 layer.
     size_t numLayers = 1U;
 
     for (size_t i = 0; i < size; i++) {
         values[i] = m_propertySet.getPropertyCSSValue(shorthand.properties()[i]);
         // A shorthand is not available if getPropertyCSSValue didn't resolve to anything.
         if (!values[i])
             return String();
         if (values[i]->isBaseValueList()) {
             const CSSValueList* valueList = toCSSValueList(values[i]);
@@ skipping 32 matching lines @@
             // No point proceeding if there's not a value to look at.
             if (!value)
                 continue;
 
             // Special case for background-repeat.
             if ((propertyIndex < size - 1 && m_propertySet.isPropertyImplicit(property))
                 && (property == CSSPropertyBackgroundRepeatX || property == CSSPropertyWebkitMaskRepeatX)) {
                 ASSERT(shorthand.properties()[propertyIndex + 1] == CSSPropertyBackgroundRepeatY
                     || shorthand.properties()[propertyIndex + 1] == CSSPropertyWebkitMaskRepeatY);
                 const CSSValue* yValue = values[propertyIndex + 1]->isValueList() ?
-                    toCSSValueList(values[propertyIndex + 1])->item(layer) : values[propertyIndex + 1];
+                    toCSSValueList(values[propertyIndex + 1])->item(layer) : values[propertyIndex + 1].get();
 
 
                 // FIXME: At some point we need to fix this code to avoid returning an invalid shorthand,
                 // since some longhand combinations are not serializable into a single shorthand.
                 if (!value->isPrimitiveValue() || !yValue->isPrimitiveValue())
                     continue;
 
                 CSSValueID xId = toCSSPrimitiveValue(value)->getValueID();
                 CSSValueID yId = toCSSPrimitiveValue(yValue)->getValueID();
                 // Maybe advance propertyIndex to look at the next CSSValue in the list for the checks below.
@@ skipping 295 matching lines @@
             isInitialValue = false;
         if (!value->isInheritedValue())
             isInheritedValue = false;
         if (isImportant != m_propertySet.propertyIsImportant(shorthand.properties()[i]))
             return false;
     }
     return isInitialValue || isInheritedValue;
 }
 
 }