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

chrome/browser/media/router/media_router.mojom

Index: chrome/browser/media/router/media_router.mojom
diff --git a/chrome/browser/media/router/media_router.mojom b/chrome/browser/media/router/media_router.mojom
index a7425499e49cb3d79afc08f1fbff84a2c1a71dcb..0f3aec147dbd61f47676cc81f0c070e4754d69a5 100644
--- a/chrome/browser/media/router/media_router.mojom
+++ b/chrome/browser/media/router/media_router.mojom
@@ -123,11 +123,13 @@ interface MediaRouteProvider {
   //     |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|.
@@ -137,10 +139,12 @@ interface MediaRouteProvider {
   //     |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);