Have browser process shutdown metro viewer on Metro -> Metro restart.

chrome/browser/lifetime/application_lifetime.h

 // Copyright (c) 2012 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_LIFETIME_APPLICATION_LIFETIME_H_
 #define CHROME_BROWSER_LIFETIME_APPLICATION_LIFETIME_H_
 
 #include "base/compiler_specific.h"
 
 class Browser;
@@ skipping 18 matching lines @@
 // ChromeOS, this simply exits the chrome, which lets sesssion
 // manager re-launch the browser with restore last session flag.
 void AttemptRestart();
 
 #if defined(OS_WIN)
 enum AshExecutionStatus {
   ASH_KEEP_RUNNING,
   ASH_TERMINATE,
 };
 
+void MetroExitHelper();

[sky, 2014/01/09 16:40:05]

Description?

[zturner, 2014/01/10 19:00:26]

I just removed this function instead.

+
 // Helper function to activate the desktop from Ash mode. The
 // |ash_execution_status| parameter indicates if we should exit Ash after
 // activating desktop.
 void ActivateDesktopHelper(AshExecutionStatus ash_execution_status);
 
 // Windows 8 specific: Like AttemptRestart but if chrome is running
 // in desktop mode it starts in metro mode and vice-versa. The switching like
 // the restarting is controlled by a preference.
 void AttemptRestartWithModeSwitch();
 void AttemptRestartToDesktopMode();
@@ skipping 59 matching lines @@
 // processing required.
 void HandleAppExitingForPlatform();
 
 // Returns true if we can start the shutdown sequence for the browser, i.e. the
 // last browser window is being closed.
 bool ShouldStartShutdown(Browser* browser);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_LIFETIME_APPLICATION_LIFETIME_H_