Remove single-window-metro-mode code paths for the app launcher and apps.

chrome/browser/apps/app_launch_for_metro_restart_win.cc

Index: chrome/browser/apps/app_launch_for_metro_restart_win.cc
diff --git a/chrome/browser/apps/app_launch_for_metro_restart_win.cc b/chrome/browser/apps/app_launch_for_metro_restart_win.cc
index 50c3ce83ddb5f7e9f5ed1396e8e298f073034140..ea82b2867bb3672bb35430ae54f6123b1b961dca 100644
--- a/chrome/browser/apps/app_launch_for_metro_restart_win.cc
+++ b/chrome/browser/apps/app_launch_for_metro_restart_win.cc
@@ -19,7 +19,6 @@
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/pref_names.h"
 #include "extensions/browser/extension_system.h"
-#include "win8/util/win8_util.h"
 
 using extensions::Extension;
 using extensions::ExtensionSystem;
@@ -70,13 +69,6 @@ void HandleAppLaunchForMetroRestart(Profile* profile) {
 
   prefs->ClearPref(prefs::kAppLaunchForMetroRestart);
 
-  if (win8::IsSingleWindowMetroMode()) {
-    // In this case we have relaunched with the correct profile, but we are not
-    // in Desktop mode, so can not launch apps. Leave the preferences cleared so
-    // there are no surprises later.
-    return;
-  }
-
   const int kRestartAppLaunchDelayMs = 1000;
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,