[Media Router] Set timeout for route creation.

chrome/test/media_router/media_router_integration_browsertest.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_TEST_MEDIA_ROUTER_MEDIA_ROUTER_INTEGRATION_BROWSERTEST_H_
 #define CHROME_TEST_MEDIA_ROUTER_MEDIA_ROUTER_INTEGRATION_BROWSERTEST_H_
 
 #include <string>
 
 #include "base/debug/stack_trace.h"
@@ skipping 59 matching lines @@
 
   bool AreRoutesClosedOnUI();
 
   // Close route through clicking 'Stop casting' button in route details dialog.
   void CloseRouteOnUI();
 
   // Wait for the route to show up in the UI with a timeout. Fails if the
   // route did not show up before the timeout.
   void WaitUntilRouteCreated();
 
+  // Wait for route creation to timeout. Fails if a route shows up before the
+  // timeout.
+  void WaitUntilRouteCreationTimeout();
+
  private:
   // Get the full path of the resource file.
   // |relative_path|: The relative path to
   //                  <chromium src>/out/<build config>/media_router/
   //                  browser_test_resources/
   base::FilePath GetResourceFile(
       base::FilePath::StringPieceType relative_path) const;
 
   scoped_ptr<content::TestNavigationObserver> test_navigation_observer_;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_TEST_MEDIA_ROUTER_MEDIA_ROUTER_INTEGRATION_BROWSERTEST_H_