[Media Router] Custom Controls 1 - Add MediaStatus, MediaRouteController, and mojo interfaces

chrome/browser/media/router/mojo/media_router_struct_traits.h

Index: chrome/browser/media/router/mojo/media_router_struct_traits.h
diff --git a/chrome/browser/media/router/mojo/media_router_struct_traits.h b/chrome/browser/media/router/mojo/media_router_struct_traits.h
index 1c6623fcc5d53abde23fd1c4e9efd919a663be25..b4585b58d34c500a5980c36a3acda024655caced 100644
--- a/chrome/browser/media/router/mojo/media_router_struct_traits.h
+++ b/chrome/browser/media/router/mojo/media_router_struct_traits.h
@@ -6,9 +6,12 @@
 #define CHROME_BROWSER_MEDIA_ROUTER_MOJO_MEDIA_ROUTER_STRUCT_TRAITS_H_
 
 #include <string>
+#include <utility>
+#include <vector>
 
 #include "chrome/browser/media/router/issue.h"
 #include "chrome/browser/media/router/media_sink.h"
+#include "chrome/browser/media/router/media_status.h"
 #include "chrome/browser/media/router/mojo/media_router.mojom.h"
 #include "chrome/browser/media/router/route_request_result.h"
 #include "mojo/common/common_custom_types_struct_traits.h"
@@ -311,6 +314,59 @@ struct StructTraits<media_router::mojom::MediaRouteDataView,
   }
 };
 
+// MediaStatus
+
+template <>
+struct StructTraits<media_router::mojom::MediaStatusDataView,
+                    media_router::MediaStatus> {
+  static bool Read(media_router::mojom::MediaStatusDataView data,
+                   media_router::MediaStatus* out);
+
+  static std::string title(const media_router::MediaStatus& status) {

[dcheng, 2017/03/08 01:08:20]

const std::string& here and below, to avoid temporaries

[takumif, 2017/03/08 04:24:03]

Done.

+    return status.title;
+  }
+
+  static std::string status(const media_router::MediaStatus& status) {
+    return status.status;
+  }
+
+  static bool can_play_pause(const media_router::MediaStatus& status) {
+    return status.can_play_pause;
+  }
+
+  static bool can_mute(const media_router::MediaStatus& status) {
+    return status.can_mute;
+  }
+
+  static bool can_set_volume(const media_router::MediaStatus& status) {
+    return status.can_set_volume;
+  }
+
+  static bool can_seek(const media_router::MediaStatus& status) {
+    return status.can_seek;
+  }
+
+  static bool is_paused(const media_router::MediaStatus& status) {
+    return status.is_paused;
+  }
+
+  static bool is_muted(const media_router::MediaStatus& status) {
+    return status.is_muted;
+  }
+
+  static float volume(const media_router::MediaStatus& status) {
+    return status.volume;
+  }
+
+  static uint32_t duration(const media_router::MediaStatus& status) {
+    return status.duration;
+  }
+
+  static uint32_t current_time(const media_router::MediaStatus& status) {
+    return status.current_time;
+  }
+};
+
 // PresentationConnectionState
 
 template <>