[MediaRouter] Implement send binary message from PSDImpl to MRPManager

chrome/browser/media/router/media_router.h

 // Copyright 2015 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_ROUTER_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 64 matching lines @@
       const MediaSource::Id& source,
       const std::string& presentation_id,
       const GURL& origin,
       int tab_id,
       const std::vector<MediaRouteResponseCallback>& callbacks) = 0;
 
   // Closes the media route specified by |route_id|.
   virtual void CloseRoute(const MediaRoute::Id& route_id) = 0;
 
   // Posts |message| to a MediaSink connected via MediaRoute with |route_id|.
-  // TODO(imcheng): Support additional data types: Blob, ArrayBuffer,
-  // ArrayBufferView.
   virtual void SendRouteMessage(const MediaRoute::Id& route_id,
                                 const std::string& message,
                                 const SendRouteMessageCallback& callback) = 0;
 
+  // Sends |data| to a MediaSink connected via MediaRoute with |route_id|.

[Kevin M, 2015/07/22 18:31:50]

Can you add some detail to the comment noting why this is different than
SendRouteMessage?

[USE s.singapati at gmail.com, 2015/07/23 19:52:53]

Done.

+  virtual void SendRouteBinaryMessage(
+      const MediaRoute::Id& route_id,
+      const std::vector<uint8_t>& data,

[Kevin M, 2015/07/22 18:31:50]

uint8

[USE s.singapati at gmail.com, 2015/07/23 19:52:53]

Done.

+      const SendRouteMessageCallback& callback) = 0;
+
   // Gets the next batch of messages from one of the routes in |route_ids|.
   // |message_cb|: Invoked with a non-empty list of messages when there are
   //      messages, an empty list when messaging channel had error.
   //      It is not invoked until there are messages available or error.
   virtual void ListenForRouteMessages(
       const std::vector<MediaRoute::Id>& route_ids,
       const PresentationSessionMessageCallback& message_cb) = 0;
 
   // Clears the issue with the id |issue_id|.
   virtual void ClearIssue(const Issue::Id& issue_id) = 0;
@@ skipping 39 matching lines @@
   // in undefined behavior.
   virtual void RegisterIssuesObserver(IssuesObserver* observer) = 0;
 
   // Removes the IssuesObserver |observer|.
   virtual void UnregisterIssuesObserver(IssuesObserver* observer) = 0;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_H_