[Presentation API] 1-UA presentation support + presenter APIs.

chrome/browser/media/router/media_router.mojom

 // 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.
 
 module media_router.interfaces;
 
 // Represents an output sink to which media can be routed.
 struct MediaSink {
   enum IconType {
     CAST,
@@ skipping 105 matching lines @@
   // may be overridden by a provider implementation. The presentation ID will
   // be used by the presentation API to refer to the created route.
   // |origin| and |tab_id| may be passed in for enforcing same-origin and/or
   // same-tab scopes.
   // Since int types cannot be made optional, use -1 as |tab_id| in cases where
   // it is not applicable.
   // If the operation was successful, |route| will be defined and
   //     |error_text| will be null.
   // If the operation failed, |route| will be null and |error_text|
   //     will be set.
+  // |is_one_ua_presentation| will indicate whether the route created is a
+  // 1-UA presentation.
   CreateRoute(string media_source,
               string sink_id,
               string original_presentation_id,
               string origin,
-              int32 tab_id) => (MediaRoute? route, string? error_text);
+              int32 tab_id) => (MediaRoute? route, string? error_text, bool is_one_ua_presentation);
 
   // Joins an established route given by |presentation_id|
   // with |media_source|.
   // |origin| and |tab_id| are used for validating same-origin/tab scopes.
   // (See CreateRoute for additional documentation)
   // If the operation was successful, |route| will be defined and
   //     |error_text| will be null.
   // If the operation failed, |route| will be null and |error_text|
   //     will be set.
+  // |is_one_ua_presentation| will indicate whether the route created is a
+  // 1-UA presentation.
   JoinRoute(string media_source,
             string presentation_id,
             string origin,
-            int32 tab_id) => (MediaRoute? route, string? error_text);
+            int32 tab_id) => (MediaRoute? route, string? error_text, bool is_one_ua_presentation);
 
   // Closes the route specified by |route_id|.
   CloseRoute(string route_id);
 
   // Sends |message| via the media route |media_route_id|.
   // If the operation was successful, |sent| is true; otherwise it is false.
   SendRouteMessage(string media_route_id, string message) => (bool sent);
 
   // Sends |data| via the media route |media_route_id|.
   // If the operation was successful, |sent| is true; otherwise it is false.
@@ skipping 45 matching lines @@
   // Called when the Media Route Manager receives a new list of sinks.
   OnSinksReceived(string media_source, array<MediaSink> sinks);
 
   // Called when issues are reported for media routes.
   OnIssue(Issue issue);
 
   // Called when list of routes has been updated.
   OnRoutesUpdated(array<MediaRoute> routes);
 };