Remove base/win/metro.{cc|h} and some associated code

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"
 #include "build/build_config.h"
 
 class Browser;
 
 namespace chrome {
 
 // Starts a user initiated exit process. Called from Browser::Exit.
 // On platforms other than ChromeOS, this is equivalent to
 // CloseAllBrowsers() On ChromeOS, this tells session manager
 // that chrome is signing out, which lets session manager send
 // SIGTERM to start actual exit process.
 void AttemptUserExit();
 
 // Starts a user initiated restart process. On platforms other than
 // chromeos, this sets a restart bit in the preference so that
 // chrome will be restarted at the end of shutdown process. On
 // 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,
-};
-
-// 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 7/8 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 AttemptRestartToDesktopMode();
-// Launches Chrome into Windows 8 metro mode on Windows 8. On Windows 7 it
-// launches Chrome into Windows ASH.
-void AttemptRestartToMetroMode();
-#endif
-
 // Attempt to exit by closing all browsers.  This is equivalent to
 // CloseAllBrowsers() on platforms where the application exits
 // when no more windows are remaining. On other platforms (the Mac),
 // this will additionally exit the application if all browsers are
 // successfully closed.
 //  Note that he exit process may be interrupted by download or
 // unload handler, and the browser may or may not exit.
 void AttemptExit();
 
 #if defined(OS_CHROMEOS)
@@ skipping 48 matching lines @@
 // Called once the application is exiting to do any platform specific
 // processing required.
 void HandleAppExitingForPlatform();
 
 // Disable browser shutdown for unit tests.
 void DisableShutdownForTesting(bool disable_shutdown_for_testing);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_LIFETIME_APPLICATION_LIFETIME_H_