Add ability to extract YUV planes from SkImage

src/gpu/effects/GrYUVtoRGBEffect.h

Index: src/gpu/effects/GrYUVtoRGBEffect.h
diff --git a/src/gpu/effects/GrYUVtoRGBEffect.h b/src/gpu/effects/GrYUVtoRGBEffect.h
deleted file mode 100644
index 03679788ddb0ff1a32d91a2fc5bf4b3a02ad4691..0000000000000000000000000000000000000000
--- a/src/gpu/effects/GrYUVtoRGBEffect.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrYUVtoRGBEffect_DEFINED
-#define GrYUVtoRGBEffect_DEFINED
-
-#include "SkImageInfo.h"
-
-class GrFragmentProcessor;
-class GrTexture;
-
-namespace GrYUVtoRGBEffect {
-    /**
-     * Creates an effect that performs color conversion from YUV to RGB
-     */
-    GrFragmentProcessor* Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture,
-                                const SkISize sizes[3], SkYUVColorSpace colorSpace);
-};
-
-#endif