include RefCounted.h where needed, only.

third_party/WebKit/Source/core/frame/ImageBitmap.h

 // Copyright 2013 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 ImageBitmap_h
 #define ImageBitmap_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/canvas/CanvasImageSource.h"
 #include "core/imagebitmap/ImageBitmapOptions.h"
 #include "core/imagebitmap/ImageBitmapSource.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/StaticBitmapImage.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 
 namespace blink {
 
 class HTMLCanvasElement;
 class HTMLVideoElement;
 class ImageData;
 class ImageDecoder;
 
 enum AlphaDisposition {
     PremultiplyAlpha,
@@ skipping 49 matching lines @@
 
     void parseOptions(const ImageBitmapOptions&, bool&, bool&);
 
     RefPtr<StaticBitmapImage> m_image;
     bool m_isNeutered = false;
 };
 
 } // namespace blink
 
 #endif // ImageBitmap_h