[Media Router] Handle multiple Presentation URLs when creating routes.

chrome/browser/media/router/create_presentation_connection_request.h

Index: chrome/browser/media/router/create_presentation_connection_request.h
diff --git a/chrome/browser/media/router/create_presentation_connection_request.h b/chrome/browser/media/router/create_presentation_connection_request.h
index ebf4b080990e26a9c3eb8f76f9da4d58c239296b..055f645a6b95ca72ae562e155940a0815c848ccc 100644
--- a/chrome/browser/media/router/create_presentation_connection_request.h
+++ b/chrome/browser/media/router/create_presentation_connection_request.h
@@ -46,7 +46,7 @@ class CreatePresentationConnectionRequest {
   // |erorr_cb|: Callback to invoke when the request fails. Must be valid.
   CreatePresentationConnectionRequest(
       const RenderFrameHostId& render_frame_host_id,
-      const GURL& presentation_url,
+      const vector<GURL>& presentation_urls,
       const GURL& frame_url,
       const PresentationSessionSuccessCallback& success_cb,
       const PresentationSessionErrorCallback& error_cb);
@@ -60,6 +60,7 @@ class CreatePresentationConnectionRequest {
   // These functions can only be invoked once per instance. It is an error
   // to invoke these functions more than once.
   void InvokeSuccessCallback(const std::string& presentation_id,
+                             const GURL& presentation_url,
                              const MediaRoute::Id& route_id);
   void InvokeErrorCallback(const content::PresentationError& error);