[Media Router] Set timeout for route creation.

chrome/browser/ui/webui/media_router/media_router_ui.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_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_UI_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/timer/timer.h"
 #include "chrome/browser/media/router/issue.h"
 #include "chrome/browser/media/router/media_source.h"
 #include "chrome/browser/media/router/presentation_service_delegate_impl.h"
 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
 #include "chrome/browser/ui/webui/media_router/media_cast_mode.h"
 #include "chrome/browser/ui/webui/media_router/media_sink_with_cast_modes.h"
 #include "chrome/browser/ui/webui/media_router/query_result_manager.h"
 #include "content/public/browser/web_ui_data_source.h"
 
 namespace content {
@@ skipping 142 matching lines @@
 
   // Callback passed to MediaRouter to receive response to route creation
   // requests.
   void OnRouteResponseReceived(const MediaSink::Id& sink_id,
                                const MediaRoute* route,
                                const std::string& presentation_id,
                                const std::string& error);
 
   bool DoCreateRoute(const MediaSink::Id& sink_id, MediaCastMode cast_mode);
 
+  // Creates and sends an issue if route creation times out.
+  void RouteCreationTimeout();
+
   // Sets the source host name to be displayed in the UI.
   // Gets cast modes from |query_result_manager_| and forwards it to UI.
   // One of the Init* functions must have been called before.
   void UpdateSourceHostAndCastModes(const GURL& frame_url);
 
   // Initializes the dialog with mirroring sources derived from |initiator|,
   // and optional |default_source| and |default_frame_url| if any.
   void InitCommon(content::WebContents* initiator,
                   const MediaSource& default_source,
                   const GURL& default_frame_url);
@@ skipping 37 matching lines @@
   // Holding a WeakPtr to PresentationServiceDelegateImpl is the cleanest way to
   // handle this.
   // TODO(imcheng): hold a weak ptr to an abstract type instead.
   base::WeakPtr<PresentationServiceDelegateImpl> presentation_service_delegate_;
 
   content::WebContents* initiator_;
 
   // Pointer to the MediaRouter for this instance's BrowserContext.
   MediaRouterMojoImpl* router_;
 
+  // Timer used to implement a timeout on a create route request.
+  base::OneShotTimer<MediaRouterUI> route_creation_timer_;
+
   // NOTE: Weak pointers must be invalidated before all other member variables.
   // Therefore |weak_factory_| must be placed at the end.
   base::WeakPtrFactory<MediaRouterUI> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaRouterUI);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_UI_H_