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

chrome/browser/ui/cocoa/wrench_menu/wrench_menu_controller_unittest.mm

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
@@ skipping 32 matching lines @@
     // seems that the vector of observers is getting hosed somewhere between
     // |-[ToolbarController dealloc]| and ~MockWrenchMenuModel(). This line
     // short-circuits the parent destructor to avoid this crash.
     tab_strip_model_ = NULL;
   }
   MOCK_METHOD2(ExecuteCommand, void(int command_id, int event_flags));
 };
 
 class DummyRouter : public browser_sync::LocalSessionEventRouter {
  public:
-  virtual ~DummyRouter() {}
-  virtual void StartRoutingTo(
+  ~DummyRouter() override {}
+  void StartRoutingTo(
       browser_sync::LocalSessionEventHandler* handler) override {}
-  virtual void Stop() override {}
+  void Stop() override {}
 };
 
 class WrenchMenuControllerTest
     : public CocoaProfileTest {
  public:
   WrenchMenuControllerTest()
       : local_device_(new sync_driver::LocalDeviceInfoProviderMock(
             "WrenchMenuControllerTest",
             "Test Machine",
             "Chromium 10k",
@@ skipping 165 matching lines @@
 }
 
 // Verify that |RecentTabsMenuModelDelegate| is deleted before the model
 // it's observing.
 TEST_F(WrenchMenuControllerTest, RecentTabDeleteOrder) {
   [controller_ menuNeedsUpdate:[controller_ menu]];
   // If the delete order is wrong then the test will crash on exit.
 }
 
 }  // namespace