Fix the blocked pluigin infobar for metro mode

chrome/browser/lifetime/application_lifetime.h

Index: chrome/browser/lifetime/application_lifetime.h
===================================================================
--- chrome/browser/lifetime/application_lifetime.h	(revision 155262)
+++ chrome/browser/lifetime/application_lifetime.h	(working copy)
@@ -21,6 +21,13 @@
 // manager re-launch the browser with restore last session flag.
 void AttemptRestart();
 
+#if defined(OS_WIN)
+// Windows 8 specific: Like AttemptRestart but if chrome is running
+// in desktop mode it starts in metro mode and vice-versa. The switching like
+// the restarting is controlled by a preference.
+void AttemptRestartWithModeSwitch();
+#endif
+
 // Attempt to exit by closing all browsers.  This is equivalent to
 // CloseAllBrowsers() on platforms where the application exits
 // when no more windows are remaining. On other platforms (the Mac),