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

Source/core/events/TouchEvent.h

Index: Source/core/events/TouchEvent.h
diff --git a/Source/core/events/TouchEvent.h b/Source/core/events/TouchEvent.h
index dcdfea95d5f98438ee4a7844aaf1eaad39815d7f..7938e82b73aa3fc004916dabe46ac94398f71caa 100644
--- a/Source/core/events/TouchEvent.h
+++ b/Source/core/events/TouchEvent.h
@@ -87,10 +87,10 @@ private:
 
 class TouchEventDispatchMediator FINAL : public EventDispatchMediator {
 public:
-    static PassRefPtr<TouchEventDispatchMediator> create(PassRefPtr<TouchEvent>);
+    static PassRefPtr<TouchEventDispatchMediator> create(PassRefPtrWillBeRawPtr<TouchEvent>);
 
 private:
-    explicit TouchEventDispatchMediator(PassRefPtr<TouchEvent>);
+    explicit TouchEventDispatchMediator(PassRefPtrWillBeRawPtr<TouchEvent>);
     TouchEvent* event() const;
     virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
 };