Add flag to signal that video frame must be drawn using an overlay.

cc/ipc/struct_traits_unittest.cc

Index: cc/ipc/struct_traits_unittest.cc
diff --git a/cc/ipc/struct_traits_unittest.cc b/cc/ipc/struct_traits_unittest.cc
index 40c402b3dc041b8d0e4fe871710b1a059e6fe9de..0d1ba713d4786c6a2e6cec9d314d9eafae589690 100644
--- a/cc/ipc/struct_traits_unittest.cc
+++ b/cc/ipc/struct_traits_unittest.cc
@@ -1210,6 +1210,7 @@ TEST_F(StructTraitsTest, YUVDrawQuad) {
   const float resource_offset = 1337.5f;
   const float resource_multiplier = 1234.6f;
   const uint32_t bits_per_channel = 13;
+  const bool require_overlay = true;
 
   SharedQuadState* sqs = render_pass->CreateAndAppendSharedQuadState();
   YUVVideoDrawQuad* quad =
@@ -1218,7 +1219,8 @@ TEST_F(StructTraitsTest, YUVDrawQuad) {
                ya_tex_coord_rect, uv_tex_coord_rect, ya_tex_size, uv_tex_size,
                y_plane_resource_id, u_plane_resource_id, v_plane_resource_id,
                a_plane_resource_id, color_space, video_color_space,
-               resource_offset, resource_multiplier, bits_per_channel);
+               resource_offset, resource_multiplier, bits_per_channel,
+               require_overlay);
 
   mojom::TraitsTestServicePtr proxy = GetTraitsTestProxy();
   std::unique_ptr<RenderPass> output;
@@ -1245,6 +1247,7 @@ TEST_F(StructTraitsTest, YUVDrawQuad) {
   EXPECT_EQ(resource_offset, out_quad->resource_offset);
   EXPECT_EQ(resource_multiplier, out_quad->resource_multiplier);
   EXPECT_EQ(bits_per_channel, out_quad->bits_per_channel);
+  EXPECT_EQ(require_overlay, out_quad->require_overlay);
 }
 
 }  // namespace cc