Oilpan: move Touch related objects to the oilpan heap.

Source/core/events/TouchEventContext.h

 /*
  * Copyright (C) 2014 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #ifndef TouchEventContext_h
 #define TouchEventContext_h
 
+#include "heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Event;
 class TouchList;
 
-class TouchEventContext : public RefCounted<TouchEventContext> {
+class TouchEventContext : public RefCountedWillBeGarbageCollected<TouchEventContext> {
 public:
-    static PassRefPtr<TouchEventContext> create();
+    static PassRefPtrWillBeRawPtr<TouchEventContext> create();
     ~TouchEventContext();
     void handleLocalEvents(Event*) const;
     TouchList& touches() { return *m_touches; }
     TouchList& targetTouches() { return *m_targetTouches; }
     TouchList& changedTouches() { return *m_changedTouches; }
 
+    void trace(Visitor*);
+
 private:
     TouchEventContext();
 
-    RefPtr<TouchList> m_touches;
-    RefPtr<TouchList> m_targetTouches;
-    RefPtr<TouchList> m_changedTouches;
+    RefPtrWillBeMember<TouchList> m_touches;
+    RefPtrWillBeMember<TouchList> m_targetTouches;
+    RefPtrWillBeMember<TouchList> m_changedTouches;
 };
 
 }
 
 #endif // TouchEventContext_h