cc: Unify all sources of color space for YUVVideoDrawQuad

cc/ipc/quads_struct_traits.cc

Index: cc/ipc/quads_struct_traits.cc
diff --git a/cc/ipc/quads_struct_traits.cc b/cc/ipc/quads_struct_traits.cc
index 011f62771f9543cd5d55ff03200bcf2226e6655b..b5d52e3a4dd792afceb67a4276132c7eab111401 100644
--- a/cc/ipc/quads_struct_traits.cc
+++ b/cc/ipc/quads_struct_traits.cc
@@ -188,39 +188,6 @@ bool StructTraits<cc::mojom::TileQuadStateDataView, cc::DrawQuad>::Read(
   return true;
 }
 
-cc::mojom::YUVColorSpace
-EnumTraits<cc::mojom::YUVColorSpace, cc::YUVVideoDrawQuad::ColorSpace>::ToMojom(
-    cc::YUVVideoDrawQuad::ColorSpace color_space) {
-  switch (color_space) {
-    case cc::YUVVideoDrawQuad::REC_601:
-      return cc::mojom::YUVColorSpace::REC_601;
-    case cc::YUVVideoDrawQuad::REC_709:
-      return cc::mojom::YUVColorSpace::REC_709;
-    case cc::YUVVideoDrawQuad::JPEG:
-      return cc::mojom::YUVColorSpace::JPEG;
-  }
-  NOTREACHED();
-  return cc::mojom::YUVColorSpace::JPEG;
-}
-
-// static
-bool EnumTraits<cc::mojom::YUVColorSpace, cc::YUVVideoDrawQuad::ColorSpace>::
-    FromMojom(cc::mojom::YUVColorSpace input,
-              cc::YUVVideoDrawQuad::ColorSpace* out) {
-  switch (input) {
-    case cc::mojom::YUVColorSpace::REC_601:
-      *out = cc::YUVVideoDrawQuad::REC_601;
-      return true;
-    case cc::mojom::YUVColorSpace::REC_709:
-      *out = cc::YUVVideoDrawQuad::REC_709;
-      return true;
-    case cc::mojom::YUVColorSpace::JPEG:
-      *out = cc::YUVVideoDrawQuad::JPEG;
-      return true;
-  }
-  return false;
-}
-
 // static
 bool StructTraits<cc::mojom::YUVVideoQuadStateDataView, cc::DrawQuad>::Read(
     cc::mojom::YUVVideoQuadStateDataView data,
@@ -245,8 +212,6 @@ bool StructTraits<cc::mojom::YUVVideoQuadStateDataView, cc::DrawQuad>::Read(
                 "The A plane resource should be the last resource ID.");
   quad->resources.count = data.a_plane_resource_id() ? 4 : 3;
 
-  if (!data.ReadColorSpace(&quad->color_space))
-    return false;
   quad->resource_offset = data.resource_offset();
   quad->resource_multiplier = data.resource_multiplier();
   quad->bits_per_channel = data.bits_per_channel();