Remove Uint8ClampedArray use from ImageBuffer.h ImageDataBuffer

Source/platform/graphics/ImageBuffer.h

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. 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.
@@ skipping 139 matching lines @@
     friend class GradientGeneratedImage;
     friend class SkiaImageFilterBuilder;
 
     OwnPtr<ImageBufferSurface> m_surface;
     OwnPtr<GraphicsContext> m_context;
     ImageBufferClient* m_client;
     OwnPtr<DisplayItemList> m_displayItemList;
 };
 
 struct ImageDataBuffer {
-    ImageDataBuffer(const IntSize& size, PassRefPtr<Uint8ClampedArray> data) : m_size(size), m_data(data) { }
-    IntSize size() const { return m_size; }
-    unsigned char* data() const { return m_data->data(); }
-
+    ImageDataBuffer(const IntSize& size, unsigned char* data) : m_data(data), m_size(size) { }
+    String PLATFORM_EXPORT toDataURL(const String& mimeType, const double* quality) const;
+    unsigned char* pixels() const { return m_data; }
+    int height() const { return m_size.height(); }
+    int width() const { return m_size.width(); }
+    unsigned char* m_data;
     IntSize m_size;
-    RefPtr<Uint8ClampedArray> m_data;
 };
 
-String PLATFORM_EXPORT ImageDataToDataURL(const ImageDataBuffer&, const String& mimeType, const double* quality);
-
 } // namespace blink
 
 #endif // ImageBuffer_h