Deleted SkImage::newShaderClamp: not used, not implemented.

include/core/SkImage.h

Index: include/core/SkImage.h
diff --git a/include/core/SkImage.h b/include/core/SkImage.h
index c9f93961668482cd4dee3122dd99013c857f04b9..54ef9f44e902c72601c8d3ec94ef027f80022712 100644
--- a/include/core/SkImage.h
+++ b/include/core/SkImage.h
@@ -12,17 +12,14 @@
 #include "SkImageEncoder.h"
 #include "SkRefCnt.h"
 #include "SkScalar.h"
+#include "SkShader.h"
 
 class SkData;
 class SkCanvas;
 class SkPaint;
-class SkShader;
 class GrContext;
 class GrTexture;
 
-// need for TileMode
-#include "SkShader.h"
-
 /**
  *  SkImage is an abstraction for drawing a rectagle of pixels, though the
  *  particular type of image could be actually storing its data on the GPU, or
@@ -61,8 +58,7 @@ public:
      */
     GrTexture* getTexture();
 
-    SkShader*   newShaderClamp() const;
-    SkShader*   newShader(SkShader::TileMode, SkShader::TileMode) const;
+    virtual SkShader* newShader(SkShader::TileMode, SkShader::TileMode) const;
 
     void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*);