Move app_launcher.* out of chrome/browser/extensions and into 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 2f708c7c2adfdadbeb6d055490fb953f0a9b0471..9e1c2c1c60327416848d874e0ed336bf102e3ff0 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/prefs/browser_prefs.h"
 
+#include "apps/prefs.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/about_flags.h"
@@ -21,7 +22,6 @@
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
-#include "chrome/browser/extensions/app_launcher.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
@@ -159,10 +159,10 @@ void RegisterLocalState(PrefService* local_state,
   registry->RegisterIntegerPref(prefs::kMultipleProfilePrefMigration, 0);
 
   // Please keep this list alphabetized.
+  apps::RegisterPrefs(registry);
   browser_shutdown::RegisterPrefs(registry);
   BrowserProcessImpl::RegisterPrefs(registry);
   chrome::RegisterScreenshotPrefs(registry);
-  extensions::app_launcher::RegisterPrefs(registry);
   ExternalProtocolHandler::RegisterPrefs(registry);
   FlagsUI::RegisterPrefs(registry);
   geolocation::RegisterPrefs(registry);