Instantiate AppShimMenuController when app launcher is enabled. (Mac)

chrome/browser/ui/app_list/app_list_service_mac.mm

Index: chrome/browser/ui/app_list/app_list_service_mac.mm
diff --git a/chrome/browser/ui/app_list/app_list_service_mac.mm b/chrome/browser/ui/app_list/app_list_service_mac.mm
index 513cd1f6a1008914189abfc58189e6cf7986080c..b6911b2fb2afc2df7ce6c5d07de501b0ff1098b7 100644
--- a/chrome/browser/ui/app_list/app_list_service_mac.mm
+++ b/chrome/browser/ui/app_list/app_list_service_mac.mm
@@ -14,6 +14,7 @@
 #include "base/lazy_instance.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop/message_loop.h"
+#import "chrome/browser/app_controller_mac.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
@@ -405,6 +406,12 @@ bool AppListServiceMac::IsAppListVisible() const {
       ![animation_controller_ isClosing];
 }
 
+void AppListServiceMac::EnableAppList(Profile* initial_profile) {
+  AppListServiceImpl::EnableAppList(initial_profile);
+  AppController* controller = [NSApp delegate];
+  [controller initAppShimMenuController];
+}
+
 void AppListServiceMac::CreateShortcut() {
   CreateAppListShim(GetProfilePath(
       g_browser_process->profile_manager()->user_data_dir()));