Oilpan:fix build after r183981.

Source/core/inspector/InspectorStyleSheet.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 864 matching lines @@
 bool InspectorStyleSheetBase::getStyleText(const InspectorCSSId& id, String* text)
 {
     RefPtrWillBeRawPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id);
     if (!inspectorStyle)
         return false;
     return inspectorStyle->styleText(text);
 }
 
 void InspectorStyleSheetBase::onStyleSheetTextChanged()
 {
-    m_lineEndings = adoptPtrWillBeNoop(new LineEndings());
+    m_lineEndings = adoptPtr(new LineEndings());
     if (listener())
         listener()->styleSheetChanged(this);
 }
 
 PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyleSheetBase::buildObjectForStyle(CSSStyleDeclaration* style)
 {
     RefPtrWillBeRawPtr<CSSRuleSourceData> sourceData = nullptr;
     if (ensureParsedDataReady())
         sourceData = ruleSourceDataAt(styleId(style).ordinal());
 
@@ skipping 965 matching lines @@
 
 void InspectorStyleSheetForInlineStyle::trace(Visitor* visitor)
 {
     visitor->trace(m_element);
     visitor->trace(m_ruleSourceData);
     visitor->trace(m_inspectorStyle);
     InspectorStyleSheetBase::trace(visitor);
 }
 
 } // namespace blink
-