Remove flip_y, premultiply_alpha, unmultiply_alpha support in command buffer.

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 71d1e77bb3c061a892aadd4063ea922298f7f72c..a61ea3688f0c27e8c9ba92e7c218635e7682c9b2 100644
--- a/media/blink/skcanvas_video_renderer.cc
+++ b/media/blink/skcanvas_video_renderer.cc
@@ -637,17 +637,13 @@ void SkCanvasVideoRenderer::CopyVideoFrameSingleTextureToGLTexture(
 
   // The video is stored in a unmultiplied format, so premultiply
   // if necessary.
-  gl->PixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, premultiply_alpha);
   // Application itself needs to take care of setting the right |flip_y|
   // value down to get the expected result.
   // "flip_y == true" means to reverse the video orientation while
   // "flip_y == false" means to keep the intrinsic orientation.
-  gl->PixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, flip_y);
   gl->CopyTextureCHROMIUM(GL_TEXTURE_2D, source_texture, texture,
                           internal_format, type,
                           flip_y, premultiply_alpha, false);
-  gl->PixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, false);
-  gl->PixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, false);
 
   gl->DeleteTextures(1, &source_texture);
   gl->Flush();