Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/frame/DOMWindow.cpp

 // Copyright 2014 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 "core/frame/DOMWindow.h"
 
 #include "bindings/core/v8/ScriptCallStack.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 193 matching lines @@
 
     KURL targetUrl = isLocalDOMWindow() ? document()->url() : KURL(KURL(), frame()->securityContext()->securityOrigin()->toString());
     if (MixedContentChecker::isMixedContent(sourceDocument->securityOrigin(), targetUrl))
         UseCounter::count(frame(), UseCounter::PostMessageFromSecureToInsecure);
     else if (MixedContentChecker::isMixedContent(frame()->securityContext()->securityOrigin(), sourceDocument->url()))
         UseCounter::count(frame(), UseCounter::PostMessageFromInsecureToSecure);
 
     // Give the embedder a chance to intercept this postMessage.  If the
     // target is a remote frame, the message will be forwarded through the
     // browser process.
-    RefPtrWillBeRawPtr<MessageEvent> event = MessageEvent::create(channels.release(), message, sourceOrigin, String(), source, sourceSuborigin);
+    RawPtr<MessageEvent> event = MessageEvent::create(channels.release(), message, sourceOrigin, String(), source, sourceSuborigin);
     bool didHandleMessageEvent = frame()->client()->willCheckAndDispatchMessageEvent(target.get(), event.get(), source->document()->frame());
     if (!didHandleMessageEvent) {
         // Capture stack trace only when inspector front-end is loaded as it may be time consuming.
         RefPtr<ScriptCallStack> stackTrace;
         if (InspectorInstrumentation::consoleAgentEnabled(sourceDocument))
             stackTrace = ScriptCallStack::capture();
 
         toLocalDOMWindow(this)->schedulePostMessage(event, source, target.get(), stackTrace.release());
     }
 }
@@ skipping 140 matching lines @@
     page->focusController().focusDocumentView(frame(), true /* notifyEmbedder */);
 }
 
 DEFINE_TRACE(DOMWindow)
 {
     visitor->trace(m_location);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink