Close app list widget when users click outside of the widget

chrome/browser/ui/ash/app_list/app_list_service_ash.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/app_list/app_list_service_ash.h"
 
 #include "ash/app_list/app_list_presenter_delegate.h"
 #include "ash/app_list/app_list_presenter_delegate_factory.h"
 #include "ash/shell.h"
 #include "base/files/file_path.h"
@@ skipping 42 matching lines @@
   explicit AppListPresenterDelegateFactoryMus(
       std::unique_ptr<app_list::AppListViewDelegateFactory>
           view_delegate_factory)
       : view_delegate_factory_(std::move(view_delegate_factory)) {}
 
   ~AppListPresenterDelegateFactoryMus() override {}
 
   std::unique_ptr<app_list::AppListPresenterDelegate> GetDelegate(
       app_list::AppListPresenter* presenter) override {
     return base::MakeUnique<AppListPresenterDelegateMus>(
-        view_delegate_factory_.get());
+        presenter, view_delegate_factory_.get());
   }
 
  private:
   std::unique_ptr<app_list::AppListViewDelegateFactory> view_delegate_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListPresenterDelegateFactoryMus);
 };
 
 }  // namespace
 
@@ skipping 129 matching lines @@
 // static
 AppListService* AppListService::Get() {
   return AppListServiceAsh::GetInstance();
 }
 
 // static
 void AppListService::InitAll(Profile* initial_profile,
                              const base::FilePath& profile_path) {
   AppListServiceAsh::GetInstance()->Init(initial_profile);
 }