Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/web/WebMetaElement.cpp

 // Copyright 2015 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 "public/web/WebMetaElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/html/HTMLMetaElement.h"
 #include "public/platform/WebString.h"
 #include "wtf/PassRefPtr.h"
 
 namespace blink {
 
 WebString WebMetaElement::computeEncoding() const
 {
     return String(constUnwrap<HTMLMetaElement>()->computeEncoding().name());
 }
 
-WebMetaElement::WebMetaElement(const PassRefPtrWillBeRawPtr<HTMLMetaElement>& element)
+WebMetaElement::WebMetaElement(const RawPtr<HTMLMetaElement>& element)
     : WebElement(element)
 {
 }
 
 DEFINE_WEB_NODE_TYPE_CASTS(WebMetaElement, isHTMLMetaElement(constUnwrap<Node>()));
 
-WebMetaElement& WebMetaElement::operator=(const PassRefPtrWillBeRawPtr<HTMLMetaElement>& element)
+WebMetaElement& WebMetaElement::operator=(const RawPtr<HTMLMetaElement>& element)
 {
     m_private = element;
     return *this;
 }
 
-WebMetaElement::operator PassRefPtrWillBeRawPtr<HTMLMetaElement>() const
+WebMetaElement::operator RawPtr<HTMLMetaElement>() const
 {
     return toHTMLMetaElement(m_private.get());
 }
 
 } // namespace blink