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

src/image/SkImage_Base.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_Base_DEFINED
 #define SkImage_Base_DEFINED
 
@@ skipping 13 matching lines @@
     virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const {
         return NULL;
     }
 
     virtual GrTexture* onGetTexture() { return NULL; }
 
     // return a read-only copy of the pixels. We promise to not modify them,
     // but only inspect them (or encode them).
     virtual bool getROPixels(SkBitmap*) const { return false; }
 
+    virtual SkShader* onNewShader(SkShader::TileMode, SkShader::TileMode) const = 0;
 private:
     typedef SkImage INHERITED;
 };
 
 #endif