Add basic video support to mojo html_viewer

mojo/services/public/interfaces/surfaces/quads.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import "mojo/services/public/interfaces/geometry/geometry.mojom"
 import "mojo/services/public/interfaces/surfaces/surface_id.mojom"
 
 module mojo {
 
 struct Color {
@@ skipping 56 matching lines @@
 
 struct TileQuadState {
   RectF tex_coord_rect;
   Size texture_size;
   bool swizzle_contents;
   uint32 resource_id;
 };
 
 struct StreamVideoQuadState {};
 
-struct YUVVideoQuadState {};
+enum YUVColorSpace {
+  REC_601,       // SDTV standard with restricted "studio swing" color range.
+  REC_601_JPEG,  // Full color range [0, 255] variant of the above.
+};
+
+struct YUVVideoQuadState {
+  RectF tex_coord_rect;
+  uint32 y_plane_resource_id;
+  uint32 u_plane_resource_id;
+  uint32 v_plane_resource_id;
+  uint32 a_plane_resource_id;
+  YUVColorSpace color_space;
+};
 
 enum Material {
   CHECKERBOARD = 1,
   DEBUG_BORDER,
   IO_SURFACE_CONTENT,
   PICTURE_CONTENT,
   RENDER_PASS,
   SOLID_COLOR,
   STREAM_VIDEO_CONTENT,
   SURFACE_CONTENT,
@@ skipping 101 matching lines @@
   int32 id;
   Rect output_rect;
   Rect damage_rect;
   Transform transform_to_root_target;
   bool has_transparent_background;
   Quad[] quads;
   SharedQuadState[] shared_quad_states;
 };
 
 }