Fix the blocked pluigin infobar for metro mode

chrome/browser/lifetime/application_lifetime.cc

Index: chrome/browser/lifetime/application_lifetime.cc
===================================================================
--- chrome/browser/lifetime/application_lifetime.cc	(revision 155262)
+++ chrome/browser/lifetime/application_lifetime.cc	(working copy)
@@ -257,6 +257,18 @@
 #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.