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

Source/web/tests/KeyboardTest.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 40 matching lines @@
 
     // Pass a WebKeyboardEvent into the EditorClient and get back the string
     // name of which editing event that key causes.
     // E.g., sending in the enter key gives back "InsertNewline".
     const char* interpretKeyEvent(
         const WebKeyboardEvent& webKeyboardEvent,
         PlatformEvent::Type keyType)
     {
         PlatformKeyboardEventBuilder evt(webKeyboardEvent);
         evt.setKeyType(keyType);
-        RefPtr<KeyboardEvent> keyboardEvent = KeyboardEvent::create(evt, 0);
+        RefPtrWillBeRawPtr<KeyboardEvent> keyboardEvent = KeyboardEvent::create(evt, 0);
         OwnPtr<Settings> settings = Settings::create();
         EditingBehavior behavior(settings->editingBehaviorType());
         return behavior.interpretKeyEvent(*keyboardEvent);
     }
 
     // Set up a WebKeyboardEvent KEY_DOWN event with key code and modifiers.
     void setupKeyDownEvent(WebKeyboardEvent* keyboardEvent,
                            char keyCode,
                            int modifiers)
     {
@@ skipping 135 matching lines @@
 }
 
 TEST_F(KeyboardTest, TestInsertNewline4)
 {
     int modifiers = WebInputEvent::AltKey | WebInputEvent::ShiftKey;
     const char* result = interpretNewLine(modifiers);
     EXPECT_STREQ("InsertNewline", result);
 }
 
 } // empty namespace