[Media Router] Auto-close Media Router dialog after starting or stopping a session.

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 28 matching lines @@
   static void ExecuteJavaScriptAPI(content::WebContents* web_contents,
                             const std::string& script);
 
   static int ExecuteScriptAndExtractInt(
       const content::ToRenderFrameHost& adapter,
       const std::string& script);
 
   static std::string ExecuteScriptAndExtractString(
       const content::ToRenderFrameHost& adapter, const std::string& script);
 
+  void ClickDialog();
+
   // Get the chrome modal dialog.
   // |web_contents|: The web contents of the test page which invokes the popup
   //                 dialog.
   content::WebContents* GetMRDialog(content::WebContents* web_contents);
 
+  // Checks that the chrome modal dialog does not exist.
+  bool IsDialogClosed(content::WebContents* web_contents);
+  void WaitUntilDialogClosed(content::WebContents* web_contents);
+  void CheckDialogRemainsOpen(content::WebContents* web_contents);
+
   void OpenTestPage(base::FilePath::StringPieceType file);
   void OpenTestPageInNewTab(base::FilePath::StringPieceType file);
 
   void SetTestData(base::FilePath::StringPieceType test_data_file);
 
   // Start session and wait until the pop dialog shows up.
   // |web_contents|: The web contents of the test page which invokes the popup
   //                 dialog.
   void StartSession(content::WebContents* web_contents);
 
@@ skipping 30 matching lines @@
   //                  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_