[Presentation API] Add support for multiple URLs in PresentationRequest on Media Router UI side

chrome/browser/media/android/router/media_router_dialog_controller_android.cc

Index: chrome/browser/media/android/router/media_router_dialog_controller_android.cc
diff --git a/chrome/browser/media/android/router/media_router_dialog_controller_android.cc b/chrome/browser/media/android/router/media_router_dialog_controller_android.cc
index 298a2ef3f29a2ffb14295a6209e5b8c189bc807a..e57806ec9d70a14945d85c1c97530def446517dc 100644
--- a/chrome/browser/media/android/router/media_router_dialog_controller_android.cc
+++ b/chrome/browser/media/android/router/media_router_dialog_controller_android.cc
@@ -46,7 +46,10 @@ void MediaRouterDialogControllerAndroid::OnSinkSelected(
       create_connection_request = TakeCreateConnectionRequest();
   const PresentationRequest& presentation_request =
       create_connection_request->presentation_request();
-  const MediaSource::Id source_id = presentation_request.GetMediaSource().id();
+
+  // TODO(crbug.com/627655): Support multiple URLs.
+  const MediaSource::Id source_id =
+      presentation_request.GetMediaSources()[0].id();
   const GURL origin = presentation_request.frame_url().GetOrigin();
 
   std::vector<MediaRouteResponseCallback> route_response_callbacks;
@@ -113,8 +116,11 @@ MediaRouterDialogControllerAndroid::~MediaRouterDialogControllerAndroid() {
 void MediaRouterDialogControllerAndroid::CreateMediaRouterDialog() {
   JNIEnv* env = base::android::AttachCurrentThread();
 
-  const MediaSource::Id source_id =
-      create_connection_request()->presentation_request().GetMediaSource().id();
+  // TODO(crbug.com/627655): Support multiple URLs.
+  const MediaSource::Id source_id = create_connection_request()
+                                        ->presentation_request()
+                                        .GetMediaSources()[0]
+                                        .id();
   ScopedJavaLocalRef<jstring> jsource_urn =
       base::android::ConvertUTF8ToJavaString(env, source_id);