Split the desktop portion of application_lifetime.cc into its own file.

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 "base/basictypes.h"
 
-class Browser;
+// TODO(thestig): IYWU instead of relying on this.
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+#include "chrome/browser/lifetime/application_lifetime_desktop.h"
+#endif
 
 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 to collect shutdown traces. On ChromeOS this will start immediately
 // on AttemptUserExit() and all other systems will start once all tabs are
 // closed.
 void StartShutdownTracing();
 
 // 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)
-// Shutdown chrome cleanly without blocking. This is called
-// when SIGTERM is received on Chrome OS, and always sets
-// exit-cleanly bit and exits the browser, even if there is
-// ongoing downloads or a page with onbeforeunload handler.
-//
-// If you need to exit or restart in your code on ChromeOS,
-// use AttemptExit or AttemptRestart respectively.
-void ExitCleanly();
-#endif
-
-// Closes all browsers and if successful, quits.
-void CloseAllBrowsersAndQuit();
-
-// Closes all browsers. If the session is ending the windows are closed
-// directly. Otherwise the windows are closed by way of posting a WM_CLOSE
-// message. This will quit the application if there is nothing other than
-// browser windows keeping it alive or the application is quitting.
-void CloseAllBrowsers();
-
 // Begins shutdown of the application when the desktop session is ending.
 void SessionEnding();
 
-// Tells the BrowserList to keep the application alive after the last Browser
-// closes. This is implemented as a count, so callers should pair their calls
-// to IncrementKeepAliveCount() with matching calls to DecrementKeepAliveCount()
-// when they no
-// longer need to keep the application running.
-void IncrementKeepAliveCount();
-
-// Stops keeping the application alive after the last Browser is closed.
-// Should match a previous call to IncrementKeepAliveCount().
-void DecrementKeepAliveCount();
-
-// Returns true if application will continue running after the last Browser
-// closes.
-bool WillKeepAlive();
-
 // Emits APP_TERMINATING notification. It is guaranteed that the
 // notification is sent only once.
 void NotifyAppTerminating();
 
 // Send out notifications.
 // For ChromeOS, also request session manager to end the session.
 void NotifyAndTerminate(bool fast_path);
 
 // Called once the application is exiting.
 void OnAppExiting();
 
-// Called once the application is exiting to do any platform specific
-// 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);
-
-// Disable browser shutdown for unit tests.
-void DisableShutdownForTesting(bool disable_shutdown_for_testing);
-
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_LIFETIME_APPLICATION_LIFETIME_H_