Use skia to do accelerated YUV conversion for rec709 'HD' color space in

media/blink/skcanvas_video_renderer.cc

Index: media/blink/skcanvas_video_renderer.cc
diff --git a/media/blink/skcanvas_video_renderer.cc b/media/blink/skcanvas_video_renderer.cc
index 16c7d87b4c341bce711b083936c8f3a8c4da04e7..50d1c7e3879c310af4a9fd63b46e1355649876e5 100644
--- a/media/blink/skcanvas_video_renderer.cc
+++ b/media/blink/skcanvas_video_renderer.cc
@@ -153,11 +153,11 @@ scoped_ptr<SkImage> CreateSkImageFromVideoFrameYUVTextures(
       {uv_tex_size.width(), uv_tex_size.height()},
   };
 
-  // TODO(dcastagna): Skia currently doesn't support Rec709 YUV conversion.
-  DCHECK(!CheckColorSpace(video_frame, media::COLOR_SPACE_HD_REC709));
   SkYUVColorSpace color_space = kRec601_SkYUVColorSpace;
   if (CheckColorSpace(video_frame, media::COLOR_SPACE_JPEG))
     color_space = kJPEG_SkYUVColorSpace;
+  else if (CheckColorSpace(video_frame, media::COLOR_SPACE_HD_REC709))
+    color_space = kRec709_SkYUVColorSpace;
 
   SkImage* img = SkImage::NewFromYUVTexturesCopy(context_3d.gr_context,
                                                  color_space, handles, yuvSizes,
@@ -232,10 +232,9 @@ class VideoImageGenerator : public SkImageGenerator {
                        size_t row_bytes[3],
                        SkYUVColorSpace* color_space) override {
     if (!frame_.get() || !media::IsYuvPlanar(frame_->format()) ||
-        // TODO(rileya): Skia currently doesn't support Rec709 YUV conversion,
-        // or YUVA conversion. Remove this case once it does. As-is we will
-        // fall back on the pure-software path in this case.
-        CheckColorSpace(frame_, COLOR_SPACE_HD_REC709) ||
+        // TODO(rileya): Skia currently doesn't support YUVA conversion. Remove
+        // this case once it does. As-is we will fall back on the pure-software
+        // path in this case.
         frame_->format() == PIXEL_FORMAT_YV12A) {
       return false;
     }
@@ -243,6 +242,8 @@ class VideoImageGenerator : public SkImageGenerator {
     if (color_space) {
       if (CheckColorSpace(frame_, COLOR_SPACE_JPEG))
         *color_space = kJPEG_SkYUVColorSpace;
+      else if (CheckColorSpace(frame_, COLOR_SPACE_HD_REC709))
+        *color_space = kRec709_SkYUVColorSpace;
       else
         *color_space = kRec601_SkYUVColorSpace;
     }