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

chrome/browser/ui/app_list/app_list_view_delegate.cc

Index: chrome/browser/ui/app_list/app_list_view_delegate.cc
diff --git a/chrome/browser/ui/app_list/app_list_view_delegate.cc b/chrome/browser/ui/app_list/app_list_view_delegate.cc
index 7424f830fe251c202e1452a082d5f6c30ce11c40..59634fee46f87b02b1f5fa46598530050a814c54 100644
--- a/chrome/browser/ui/app_list/app_list_view_delegate.cc
+++ b/chrome/browser/ui/app_list/app_list_view_delegate.cc
@@ -14,9 +14,9 @@
 #include "base/prefs/pref_service.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/stl_util.h"
-#include "chrome/browser/apps/scoped_keep_alive.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/lifetime/browser_keep_alive.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search/hotword_service.h"
@@ -65,10 +65,6 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/controls/webview/webview.h"
 
-#if defined(TOOLKIT_VIEWS)
-#include "ui/views/controls/webview/webview.h"
-#endif
-
 #if defined(USE_AURA)
 #include "ui/keyboard/keyboard_util.h"
 #endif
@@ -347,7 +343,8 @@ void AppListViewDelegate::SetUpCustomLauncherPages() {
     apps::CustomLauncherPageContents* page_contents =
         new apps::CustomLauncherPageContents(
             scoped_ptr<extensions::AppDelegate>(
-                new ChromeAppDelegate(scoped_ptr<ScopedKeepAlive>())),
+                new ChromeAppDelegate(
+                    scoped_ptr<browser_lifetime::ScopedKeepAlive>())),
             extension_id);
     page_contents->Initialize(profile_, *it);
     custom_page_contents_.push_back(page_contents);