Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 446 matching lines @@
     if (!target)
         return true;
 
     RefPtrWillBeRawPtr<Clipboard> clipboard = Clipboard::create(
         Clipboard::CopyAndPaste,
         policy,
         policy == ClipboardWritable
             ? DataObject::create()
             : DataObject::createFromPasteboard(pasteMode));
 
-    RefPtr<Event> evt = ClipboardEvent::create(eventType, true, true, clipboard);
+    RefPtrWillBeRawPtr<Event> evt = ClipboardEvent::create(eventType, true, true, clipboard);
     target->dispatchEvent(evt, IGNORE_EXCEPTION);
     bool noDefaultProcessing = evt->defaultPrevented();
     if (noDefaultProcessing && policy == ClipboardWritable) {
         RefPtrWillBeRawPtr<DataObject> dataObject = clipboard->dataObject();
         Pasteboard::generalPasteboard()->writeDataObject(dataObject.release());
     }
 
     // invalidate clipboard here for security
     clipboard->setAccessPolicy(ClipboardNumb);
 
@@ skipping 751 matching lines @@
     return m_frame.spellChecker();
 }
 
 void Editor::toggleOverwriteModeEnabled()
 {
     m_overwriteModeEnabled = !m_overwriteModeEnabled;
     frame().selection().setShouldShowBlockCursor(m_overwriteModeEnabled);
 }
 
 } // namespace WebCore