arc: Hide app list view on ARC app launch.

chrome/browser/ui/app_list/arc/arc_app_unittest.cc

 // Copyright 2015 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 <algorithm>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
@@ skipping 174 matching lines @@
       scoped_ptr<ArcAppListPrefs::AppInfo> app_info = prefs->GetApp(id);
       ASSERT_NE(nullptr, app_info.get());
       EXPECT_NE(ready, app_info->ready);
       const ArcAppItem* app_item = FindArcItem(id);
       ASSERT_NE(nullptr, app_item);
       EXPECT_NE(ready, app_item->ready());
     }
 
   }
 
+  AppListControllerDelegate* controller() { return controller_.get(); }
+
   arc::FakeArcBridgeService* bridge_service() { return bridge_service_.get(); }
 
   const std::vector<arc::AppInfo>& fake_apps() const { return fake_apps_; }
 
  private:
   scoped_ptr<app_list::AppListModel> model_;
   scoped_ptr<test::TestAppListControllerDelegate> controller_;
   scoped_ptr<ArcAppModelBuilder> builder_;
   scoped_ptr<arc::FakeArcBridgeService> bridge_service_;
   std::vector<arc::AppInfo> fake_apps_;
@@ skipping 58 matching lines @@
   ValidateAppReadyState(fake_apps(), true);
 
   // Stopping service does not delete items. It makes them non-ready.
   bridge_service()->SetStopped();
   // Ids should be the same.
   EXPECT_EQ(ids, prefs->GetAppIds());
   ValidateAppReadyState(fake_apps(), false);
 }
 
 TEST_F(ArcAppModelBuilderTest, LaunchApps) {
+  // Disable attempts to dismiss app launcher view.
+  ChromeAppListItem::OverrideAppListControllerDelegateForTesting(controller());
+
   bridge_service()->SetReady();
   bridge_service()->SendRefreshAppList(fake_apps());
 
   // Simulate item activate.
   const arc::AppInfo& app_first = fake_apps()[0];
   const arc::AppInfo& app_last = fake_apps()[0];
   ArcAppItem* item_first = FindArcItem(GetAppId(app_first));
   ArcAppItem* item_last = FindArcItem(GetAppId(app_last));
   ASSERT_NE(nullptr, item_first);
   ASSERT_NE(nullptr, item_last);
@@ skipping 118 matching lines @@
 
   // Validate that icons are installed, have right content and icon is
   // refreshed for ARC app item.
   EXPECT_EQ(true, base::PathExists(icon_path));
 
   std::string icon_data;
   // Read the file from disk and compare with reference data.
   EXPECT_EQ(true, base::ReadFileToString(icon_path, &icon_data));
   ASSERT_EQ(icon_data, png_data);
 }