Revert of Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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.
@@ skipping 583 matching lines @@
 
 size_t Internals::numberOfScopedHTMLStyleChildren(const Node* scope, ExceptionState& exceptionState) const
 {
     if (scope && (scope->isElementNode() || scope->isShadowRoot()))
         return scope->numberOfScopedHTMLStyleChildren();
 
     exceptionState.throwDOMException(InvalidAccessError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
     return 0;
 }
 
-PassRefPtrWillBeRawPtr<CSSComputedStyleDeclaration> Internals::computedStyleIncludingVisitedInfo(Node* node, ExceptionState& exceptionState) const
+PassRefPtr<CSSComputedStyleDeclaration> Internals::computedStyleIncludingVisitedInfo(Node* node, ExceptionState& exceptionState) const
 {
     if (!node) {
         exceptionState.throwDOMException(InvalidAccessError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
         return nullptr;
     }
 
     bool allowVisitedStyle = true;
     return CSSComputedStyleDeclaration::create(node, allowVisitedStyle);
 }
 
@@ skipping 1828 matching lines @@
 }
 
 String Internals::textSurroundingNode(Node* node, int x, int y, unsigned long maxLength)
 {
     blink::WebPoint point(x, y);
     SurroundingText surroundingText(VisiblePosition(node->renderer()->positionForPoint(static_cast<IntPoint>(point))), maxLength);
     return surroundingText.content();
 }
 
 }