Fix Mojo IPC for HDR metadata

media/mojo/interfaces/hdr_metadata_struct_traits.h

 // Copyright 2017 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.
 
 #ifndef MEDIA_MOJO_INTERFACES_HDR_METADATA_STRUCT_TRAITS_H_
 #define MEDIA_MOJO_INTERFACES_HDR_METADATA_STRUCT_TRAITS_H_
 
 #include "media/base/hdr_metadata.h"
 #include "media/mojo/interfaces/media_types.mojom.h"
 
@@ skipping 18 matching lines @@
     return input.luminance_max;
   }
   static float luminance_min(const media::MasteringMetadata& input) {
     return input.luminance_min;
   }
 
   static bool Read(media::mojom::MasteringMetadataDataView data,
                    media::MasteringMetadata* output) {
     output->luminance_max = data.luminance_max();
     output->luminance_min = data.luminance_min();
+    if (!data.ReadPrimaryR(&output->primary_r))
+      return false;
+    if (!data.ReadPrimaryG(&output->primary_g))
+      return false;
+    if (!data.ReadPrimaryB(&output->primary_b))
+      return false;
+    if (!data.ReadWhitePoint(&output->white_point))
+      return false;
     return true;
   }
 };
 
 template <>
 struct StructTraits<media::mojom::HDRMetadataDataView, media::HDRMetadata> {
   static unsigned max_content_light_level(const media::HDRMetadata& input) {
     return input.max_content_light_level;
   }
   static unsigned max_frame_average_light_level(
       const media::HDRMetadata& input) {
     return input.max_frame_average_light_level;
   }
   static media::MasteringMetadata mastering_metadata(
       const media::HDRMetadata& input) {
     return input.mastering_metadata;
   }
 
   static bool Read(media::mojom::HDRMetadataDataView data,
                    media::HDRMetadata* output) {
     output->max_content_light_level = data.max_content_light_level();
     output->max_frame_average_light_level =
         data.max_frame_average_light_level();
+    if (!data.ReadMasteringMetadata(&output->mastering_metadata))
+      return false;
     return true;
   }
 };
 
 }  // namespace mojo
 
 #endif  // MEDIA_MOJO_INTERFACES_HDR_METADATA_STRUCT_TRAITS_H_