Miscellaneous cleanup to reduce number of includes in platform/graphics/

Source/core/platform/graphics/ImageBuffer.h

Index: Source/core/platform/graphics/ImageBuffer.h
diff --git a/Source/core/platform/graphics/ImageBuffer.h b/Source/core/platform/graphics/ImageBuffer.h
index fd96acf2fb82051d6082a9b84370ac41c21657f8..434d9513b37e429b9658ea415888a4745a13560c 100644
--- a/Source/core/platform/graphics/ImageBuffer.h
+++ b/Source/core/platform/graphics/ImageBuffer.h
@@ -30,17 +30,14 @@
 
 #include "core/platform/graphics/ColorSpace.h"
 #include "core/platform/graphics/FloatRect.h"
-#include "core/platform/graphics/GraphicsContext.h"
 #include "core/platform/graphics/GraphicsTypes.h"
 #include "core/platform/graphics/GraphicsTypes3D.h"
 #include "core/platform/graphics/IntSize.h"
-#include "core/platform/graphics/transforms/AffineTransform.h"
 #include "wtf/Forward.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/Uint8ClampedArray.h"
-#include "wtf/Vector.h"
 
 class SkCanvas;
 
@@ -53,6 +50,7 @@ class Image;
 class ImageData;
 class IntPoint;
 class IntRect;
+class GraphicsContext;
 class GraphicsContext3D;
 
 enum Multiply {
@@ -119,10 +117,9 @@ public:
     void convertToLuminanceMask();
 
     String toDataURL(const String& mimeType, const double* quality = 0, CoordinateSystem = LogicalCoordinateSystem) const;
-    AffineTransform baseTransform() const { return AffineTransform(); }
     void transformColorSpace(ColorSpace srcColorSpace, ColorSpace dstColorSpace);
-    static const Vector<uint8_t>& getLinearRgbLUT();
-    static const Vector<uint8_t>& getDeviceRgbLUT();
+    static const Vector<uint8_t, 0>& getLinearRgbLUT();
+    static const Vector<uint8_t, 0>& getDeviceRgbLUT();
     WebKit::WebLayer* platformLayer() const;
 
     // FIXME: current implementations of this method have the restriction that they only work