Revert of Initial picture shader implementation

include/core/SkShader.h

Index: include/core/SkShader.h
diff --git a/include/core/SkShader.h b/include/core/SkShader.h
index 076ecf5460df9698021913279f6d13f5e3280179..acff959949ba5114bf2393dd4c0c181b376ab0b5 100644
--- a/include/core/SkShader.h
+++ b/include/core/SkShader.h
@@ -16,7 +16,6 @@
 #include "SkPaint.h"
 
 class SkPath;
-class SkPicture;
 class GrContext;
 class GrEffectRef;
 
@@ -346,16 +345,6 @@
     static SkShader* CreateBitmapShader(const SkBitmap& src,
                                         TileMode tmx, TileMode tmy);
 
-    /** Call this to create a new shader that will draw with the specified picture.
-     *
-     *  @param src  The picture to use inside the shader (if not NULL, its ref count
-     *              is incremented).
-     *  @param tmx  The tiling mode to use when sampling the bitmap in the x-direction.
-     *  @param tmy  The tiling mode to use when sampling the bitmap in the y-direction.
-     *  @return     Returns a new shader object. Note: this function never returns null.
-    */
-    static SkShader* CreatePictureShader(SkPicture* src, TileMode tmx, TileMode tmy);
-
     SK_TO_STRING_VIRT()
     SK_DEFINE_FLATTENABLE_TYPE(SkShader)