Oilpan: fix build after changes that did not take oilpan into account.

Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 1420 matching lines @@
 }
 
 static PassRefPtrWillBeRawPtr<CSSValue> valueForShape(const RenderStyle& style, ShapeValue* shapeValue)
 {
     if (!shapeValue)
         return cssValuePool().createIdentifierValue(CSSValueNone);
     if (shapeValue->type() == ShapeValue::Outside)
         return cssValuePool().createIdentifierValue(CSSValueOutsideShape);
     if (shapeValue->type() == ShapeValue::Box)
         return cssValuePool().createValue(shapeValue->layoutBox());
-    if (shapeValue->type() == ShapeValue::Image)
-        return shapeValue->image() ? shapeValue->image()->cssValue() : cssValuePool().createIdentifierValue(CSSValueNone);
+    if (shapeValue->type() == ShapeValue::Image) {
+        if (shapeValue->image())
+            return shapeValue->image()->cssValue();
+        return cssValuePool().createIdentifierValue(CSSValueNone);
+    }
 
     ASSERT(shapeValue->type() == ShapeValue::Shape);
 
-    RefPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
+    RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
     list->append(valueForBasicShape(style, shapeValue->shape()));
     if (shapeValue->layoutBox() != BoxMissing)
         list->append(cssValuePool().createValue(shapeValue->layoutBox()));
     return list.release();
 }
 
 static PassRefPtrWillBeRawPtr<CSSValue> touchActionFlagsToCSSValue(TouchAction touchAction)
 {
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
     if (touchAction == TouchActionAuto)
@@ skipping 1575 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin,
                                                                     CSSPropertyBackgroundClip };
 
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace WebCore