Moved apps metro code from apps to chrome/browser/apps.

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index e9d0488c66a57cde480ca59d0c3f300b261b800b..886a0f544d2d394fe36aa1f624dbec2c1b984a43 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -179,6 +179,10 @@
 #include "chrome/browser/plugins/plugins_resource_service.h"
 #endif
 
+#if defined(OS_WIN)
+#include "chrome/browser/apps/app_launch_for_metro_restart_win.h"
+#endif
+
 namespace {
 
 enum MigratedPreferences {
@@ -214,7 +218,9 @@ void RegisterLocalState(PrefRegistrySimple* registry) {
 
   // Please keep this list alphabetized.
   AppListService::RegisterPrefs(registry);
-  apps::RegisterPrefs(registry);
+#if defined(OS_WIN)
+  app_metro_launch::RegisterPrefs(registry);
+#endif
   browser_shutdown::RegisterPrefs(registry);
   BrowserProcessImpl::RegisterPrefs(registry);
   RegisterScreenshotPrefs(registry);