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

chrome/browser/media/router/media_route_status_observer.h

Index: chrome/browser/media/router/media_route_status_observer.h
diff --git a/chrome/browser/media/router/media_route_status_observer.h b/chrome/browser/media/router/media_route_status_observer.h
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index 0000000000000000000000000000000000000000..f4d40ec6fbd33d284a03989fdca50ed894cd6c9d
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+++ b/chrome/browser/media/router/media_route_status_observer.h
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+// 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 CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_STATUS_OBSERVER_H_
+#define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_STATUS_OBSERVER_H_
+
+struct MediaStatus;
+
+namespace media_router {
+
+// An interface for observing updates to the status of a Media Route.
+class MediaRouteStatusObserver {
+ public:
+  virtual ~MediaRouteStatusObserver() {}
+
+  virtual void OnMediaStatusUpdated(const MediaStatus& status) = 0;
+};
+
+}  // namespace media_router
+
+#endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_STATUS_OBSERVER_H_