Move LaunchContainer enum to extension_constants.h.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.h

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
index 3abf5dadaf295660c23f05d030192217468ef391..35d93aa350d8cce52df8a16871aec4e953fb1ff0 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
@@ -25,12 +25,12 @@
 #include "base/memory/scoped_vector.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/extensions/app_icon_loader.h"
-#include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/prefs/pref_service_syncable_observer.h"
 #include "chrome/browser/ui/ash/app_sync_ui_state_observer.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_types.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
+#include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/aura/window_observer.h"
@@ -59,6 +59,10 @@ namespace content {
 class WebContents;
 }
 
+namespace extensions {
+class Extension;
+}
+
 namespace ui {
 class BaseWindow;
 }