AppListController refactoring part 2: Ash's AppListShowerDelegate imlementation.

ash/wm/app_list_shower_delegate_factory.h

+// Copyright 2016 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.
+
+#ifndef ASH_WM_APP_LIST_SHOWER_DELEGATE_FACTORY_H_
+#define ASH_WM_APP_LIST_SHOWER_DELEGATE_FACTORY_H_
+
+#include "ash/ash_export.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/app_list/shower/app_list_shower_delegate_factory.h"
+
+namespace app_list {
+class AppListShower;
+}
+
+namespace ash {
+
+class AppListViewDelegateFactory;
+
+class ASH_EXPORT AppListShowerDelegateFactory
+    : public app_list::AppListShowerDelegateFactory {
+ public:
+  explicit AppListShowerDelegateFactory(
+      scoped_ptr<AppListViewDelegateFactory> view_delegate_factory);
+  ~AppListShowerDelegateFactory() override;
+
+  scoped_ptr<app_list::AppListShowerDelegate> GetDelegate(

[xiyuan, 2016/04/07 18:13:22]

nit: I just learned from my other review that we should use std::unqiue_ptr and
include <memory> instead of "scoped_ptr.h". 

https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/roY78iTblYc

[mfomitchev, 2016/04/07 19:23:28]

Cool, thanks! Done.

+      app_list::AppListShower* shower) override;
+
+ private:
+  scoped_ptr<AppListViewDelegateFactory> view_delegate_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppListShowerDelegateFactory);
+};
+
+}  // namespace ash
+
+#endif  // ASH_WM_APP_LIST_SHOWER_DELEGATE_FACTORY_H_