Upgrade SkSpecialImage to have getTextureRef & getROPixels entry points

tests/TestingSpecialImageAccess.h

Index: tests/TestingSpecialImageAccess.h
diff --git a/tests/TestingSpecialImageAccess.h b/tests/TestingSpecialImageAccess.h
index 8dd4e9bb50c0a9edf661f2b745d058fd721cf601..e0c893072d45d334c68ee8c53b7b269404583e86 100644
--- a/tests/TestingSpecialImageAccess.h
+++ b/tests/TestingSpecialImageAccess.h
@@ -14,17 +14,9 @@ public:
         return img->subset();
     }
 
-    static bool PeekPixels(const SkSpecialImage* img, SkPixmap* pixmap) {
-        return img->peekPixels(pixmap);
-    }
-
     static GrTexture* PeekTexture(const SkSpecialImage* img) {
         return img->peekTexture();
     }
-
-    static bool GetROPixels(const SkSpecialImage* img, SkBitmap* result) {
-        return img->testingOnlyGetROPixels(result);
-    }
 };
 
 #endif