Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/app_list/app_list_service_mac_interactive_uitest.mm

 // 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.
 
 #import "chrome/browser/ui/app_list/app_list_service_mac.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "chrome/browser/apps/app_shim/app_shim_handler_mac.h"
@@ skipping 44 matching lines @@
     // browser shutdown. References to browser-owned objects must be removed
     // from the app list UI.
     AppListViewController* view_controller = GetViewController();
     // Note this first check will fail if the test doesn't ever show the
     // app list, but currently all tests in this file do.
     EXPECT_TRUE(view_controller);
     EXPECT_FALSE([view_controller delegate]);
   }
 
   // AppShimHandler::Host overrides:
-  virtual void OnAppLaunchComplete(apps::AppShimLaunchResult result) override {
+  void OnAppLaunchComplete(apps::AppShimLaunchResult result) override {
     // AppList shims are always given APP_SHIM_LAUNCH_DUPLICATE_HOST, indicating
     // that the shim process should immediately close.
     EXPECT_EQ(apps::APP_SHIM_LAUNCH_DUPLICATE_HOST, result);
     ++launch_count_;
   }
-  virtual void OnAppClosed() override {
-    NOTREACHED();
-  }
-  virtual void OnAppHide() override {}
-  virtual void OnAppRequestUserAttention(
-      apps::AppShimAttentionType type) override {}
-  virtual base::FilePath GetProfilePath() const override {
+  void OnAppClosed() override { NOTREACHED(); }
+  void OnAppHide() override {}
+  void OnAppRequestUserAttention(apps::AppShimAttentionType type) override {}
+  base::FilePath GetProfilePath() const override {
     NOTREACHED();  // Currently unused in this test.
     return base::FilePath();
   }
-  virtual std::string GetAppId() const override {
-    return app_mode::kAppListModeId;
-  }
+  std::string GetAppId() const override { return app_mode::kAppListModeId; }
 
   int launch_count_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AppListServiceMacInteractiveTest);
 };
 
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(AppListServiceMacInteractiveTest, ShowAppListUsingShim) {
@@ skipping 31 matching lines @@
   EXPECT_TRUE(service->IsAppListVisible());
   EXPECT_EQ(3, launch_count_);
   service->DismissAppList();
   EXPECT_FALSE(service->IsAppListVisible());
 
   // View sticks around until shutdown.
   AppListViewController* view_controller = GetViewController();
   EXPECT_TRUE(view_controller);
   EXPECT_TRUE([view_controller delegate]);
 }