Remove unnecessary includes from dom.

third_party/WebKit/Source/core/dom/CompositorProxy.h

 // Copyright 2015 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.
 
 #ifndef CompositorProxy_h
 #define CompositorProxy_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMMatrix.h"
 #include "core/dom/Element.h"
 #include "platform/heap/Handle.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class DOMMatrix;
 class ExceptionState;
 class ExecutionContext;
 
 class CompositorProxy final : public GarbageCollectedFinalized<CompositorProxy>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
@@ skipping 39 matching lines @@
     double m_scrollLeft = 0;
     double m_scrollTop = 0;
     Member<DOMMatrix> m_transform;
 
     bool m_connected = true;
 };
 
 } // namespace blink
 
 #endif // CompositorProxy_h