Move application lifetime functionality off BrowserList.

This makes no attempt to really rationalize/simplify this flow, just get it off the BrowserList.

BUG=none
TEST=none
Review URL: https://chromiumcodereview.appspot.com/10409022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137927 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/upgrade_detector.cc b/chrome/browser/upgrade_detector.cc
index df6c33170..2544d59b 100644
--- a/chrome/browser/upgrade_detector.cc
+++ b/chrome/browser/upgrade_detector.cc
@@ -7,7 +7,7 @@
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ -107,7 +107,7 @@
     case IDLE_STATE_LOCKED:
       // Computer is locked, auto-restart.
       idle_check_timer_.Stop();
-      BrowserList::AttemptRestart();
+      browser::AttemptRestart();
       break;
     case IDLE_STATE_IDLE:
       // Computer has been idle for long enough, show warning.