Add Rec709 YUV color space support to GrYUVtoRGBEffect.

gm/yuvtorgbeffect.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
@@ skipping 21 matching lines @@
     YUVtoRGBEffect() {
         this->setBGColor(0xFFFFFFFF);
     }
 
 protected:
     SkString onShortName() override {
         return SkString("yuv_to_rgb_effect");
     }
 
     SkISize onISize() override {
-        return SkISize::Make(238, 84);
+        return SkISize::Make(238, 120);
     }
 
     void onOnceBeforeDraw() override {
         SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE);
         fBmp[0].allocPixels(yinfo);
         SkImageInfo uinfo = SkImageInfo::MakeA8(USIZE, USIZE);
         fBmp[1].allocPixels(uinfo);
         SkImageInfo vinfo = SkImageInfo::MakeA8(VSIZE, VSIZE);
         fBmp[2].allocPixels(vinfo);
         unsigned char* pixels[3];
@@ skipping 84 matching lines @@
 private:
     SkBitmap fBmp[3];
 
     typedef GM INHERITED;
 };
 
 DEF_GM( return SkNEW(YUVtoRGBEffect); )
 }
 
 #endif