Fix the blocked pluigin infobar for metro mode

chrome/browser/lifetime/application_lifetime.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/browser_list.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "build/build_config.h"
@@ skipping 239 matching lines @@
   // sign out. Session will be only restored if user has that setting set.
   // Same session restore behavior happens in case of full restart after update.
   AttemptUserExit();
 #else
   // Set the flag to restore state after the restart.
   pref_service->SetBoolean(prefs::kRestartLastSessionOnShutdown, true);
   AttemptExit();
 #endif
 }
 
+#if defined(OS_WIN)
+void AttemptRestartWithModeSwitch() {
+  // The kRestartSwitchMode preference does not exists for Windows 7 and older
+  // operating systems so there is no need for OS version check.
+  PrefService* prefs = g_browser_process->local_state();
+  if (!prefs->HasPrefPath(prefs::kRestartSwitchMode))
+    return;
+  prefs->SetBoolean(prefs::kRestartSwitchMode, true);
+  browser::AttemptRestart();
+}
+#endif
+
 void AttemptExit() {
   // If we know that all browsers can be closed without blocking,
   // don't notify users of crashes beyond this point.
   // Note that MarkAsCleanShutdown does not set UMA's exit cleanly bit
   // so crashes during shutdown are still reported in UMA.
   if (AreAllBrowsersCloseable())
     MarkAsCleanShutdown();
   AttemptExitInternal();
 }
 
@@ skipping 82 matching lines @@
         MessageLoop::current())
       CloseAllBrowsers();
   }
 }
 
 bool WillKeepAlive() {
   return g_keep_alive_count > 0;
 }
 
 }  // namespace browser