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

include/core/SkImage.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkImage_DEFINED
 #define SkImage_DEFINED
 
 #include "SkImageInfo.h"
 #include "SkImageEncoder.h"
 #include "SkRefCnt.h"
 #include "SkScalar.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
  *  as drawing commands (picture or PDF or otherwise), ready to be played back
@@ skipping 24 matching lines @@
     int height() const { return fHeight; }
     uint32_t uniqueID() const { return fUniqueID; }
 
     /**
      * Return the GrTexture that stores the image pixels. Calling getTexture
      * does not affect the reference count of the GrTexture object.
      * Will return NULL if the image does not use a texture.
      */
     GrTexture* getTexture();
 
-    SkShader*   newShaderClamp() const;
-    SkShader*   newShader(SkShader::TileMode, SkShader::TileMode) const;
+    virtual SkShader* newShader(SkShader::TileMode, SkShader::TileMode) const = 0;
 
     void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*);
 
     /**
      *  Draw the image, cropped to the src rect, to the dst rect of a canvas.
      *  If src is larger than the bounds of the image, the rest of the image is
      *  filled with transparent black pixels.
      *
      *  See SkCanvas::drawBitmapRectToRect for similar behavior.
      */
@@ skipping 57 matching lines @@
      *  On failure, false will be returned, and bitmap will unmodified.
      */
     // On ice for now:
     // - should it respect the particular colortype/alphatype of the src
     // - should it have separate entrypoints for preallocated and not bitmaps?
     // - isn't it enough to allow the caller to draw() the image into a canvas?
     bool readPixels(SkBitmap* bitmap, const SkIRect* subset = NULL) const;
 };
 
 #endif