AppListController refactoring part 1: AppListShower implementation.

ui/app_list/test/app_list_shower_impl_test_api.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.
 
-#ifndef UI_APP_LIST_VIEWS_APP_LIST_VIEW_OBSERVER_H_
-#define UI_APP_LIST_VIEWS_APP_LIST_VIEW_OBSERVER_H_
+#include "ui/app_list/test/app_list_shower_impl_test_api.h"
 
-namespace views {
-class Widget;
+#include "ui/app_list/app_list_shower_impl.h"
+#include "ui/app_list/views/app_list_view.h"
+
+namespace app_list {
+namespace test {
+
+AppListShowerImplTestApi::AppListShowerImplTestApi(AppListShowerImpl* shower)
+    : shower_(shower) {}
+
+AppListView* AppListShowerImplTestApi::view() {
+  return shower_->view_;
 }
 
-namespace app_list {
+AppListShowerDelegate* AppListShowerImplTestApi::shower_delegate() {
+  return shower_->shower_delegate_.get();
+}
 
-class AppListViewObserver {
- public:
-  virtual void OnActivationChanged(views::Widget* widget, bool active) = 0;
-
- protected:
-  virtual ~AppListViewObserver() {}
-};
-
+}  // namespace test
 }  // namespace app_list
-
-#endif  // UI_APP_LIST_VIEWS_APP_LIST_VIEW_OBSERVER_H_