Cleanup: Pull some browser keep alive functions into its own file.

chrome/browser/ui/ash/ash_init.cc

 // 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.
 
 #include "chrome/browser/ui/ash/ash_init.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/ash_switches.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_init_params.h"
 #include "base/command_line.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
+#include "chrome/browser/lifetime/browser_keep_alive.h"
 #include "chrome/browser/ui/ash/chrome_screenshot_grabber.h"
 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/context_factory.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window_tree_host.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/sys_info.h"
@@ skipping 54 matching lines @@
       chromeos::MagnificationManager::Get()->IsMagnifierEnabled();
   ui::MagnifierType magnifier_type =
       chromeos::MagnificationManager::Get()->GetMagnifierType();
   shell->magnification_controller()->
       SetEnabled(magnifier_enabled && magnifier_type == ui::MAGNIFIER_FULL);
   shell->partial_magnification_controller()->
       SetEnabled(magnifier_enabled && magnifier_type == ui::MAGNIFIER_PARTIAL);
 
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableZeroBrowsersOpenForTests)) {
-    chrome::IncrementKeepAliveCount();
+    browser_lifetime::IncrementKeepAliveCount();
   }
 #endif
   ash::Shell::GetPrimaryRootWindow()->GetHost()->Show();
 }
 
 void CloseAsh() {
   if (ash::Shell::HasInstance())
     ash::Shell::DeleteInstance();
 }
 
 }  // namespace chrome