Remove unused includes from core/platform .cpp files

Source/core/platform/graphics/GraphicsContext3D.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Mozilla Corporation. 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 13 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #include "config.h"
 
 #include "core/platform/graphics/GraphicsContext3D.h"
 
 #include "GrContext.h"
 #include "GrGLInterface.h"
-#include "SkTypes.h"
 #include "core/html/ImageData.h"
 #include "core/html/canvas/CheckedInt.h"
 #include "core/platform/graphics/Extensions3D.h"
 #include "core/platform/graphics/GraphicsContext.h"
 #include "core/platform/graphics/Image.h"
 #include "core/platform/graphics/ImageBuffer.h"
 #include "core/platform/graphics/ImageObserver.h"
 #include "core/platform/graphics/gpu/DrawingBuffer.h"
 #include "core/platform/image-decoders/ImageDecoder.h"
-#include "wtf/ArrayBufferView.h"
 #include "wtf/CPU.h"
 #include "wtf/OwnArrayPtr.h"
 #include "wtf/PassOwnArrayPtr.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringHash.h"
 #include "wtf/text/WTFString.h"
 
 #include <public/Platform.h>
 #include <public/WebGraphicsContext3D.h>
 #include <public/WebGraphicsContext3DProvider.h>
@@ skipping 971 matching lines @@
 }
 
 bool GraphicsContext3D::isExtensionEnabled(const String& name)
 {
     initializeExtensions();
     String mappedName = mapExtensionName(name);
     return m_enabledExtensions.contains(mappedName);
 }
 
 } // namespace WebCore