C++11 override style change for athena

athena/content/app_activity_browsertest.cc

 // Copyright 2014 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 "athena/activity/public/activity.h"
 #include "athena/resource_manager/public/resource_manager.h"
 #include "athena/test/base/activity_lifetime_tracker.h"
 #include "athena/test/chrome/athena_app_browsertest.h"
 #include "athena/test/chrome/test_util.h"
 #include "athena/wm/public/window_list_provider.h"
 #include "athena/wm/public/window_manager.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/wm/core/window_util.h"
 
 namespace athena {
 
 namespace {
 // The test URL to navigate to.
 const char kTestUrl[] = "chrome:about";
 }
 
 class AppActivityBrowserTest : public AthenaAppBrowserTest {
  public:
   AppActivityBrowserTest() {}
-  virtual ~AppActivityBrowserTest() {}
+  ~AppActivityBrowserTest() override {}
 
   // AthenaAppBrowserTest:
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     tracker_.reset(new ActivityLifetimeTracker);
     AthenaAppBrowserTest::SetUpOnMainThread();
   }
 
-  virtual void TearDownOnMainThread() override {
+  void TearDownOnMainThread() override {
     tracker_.reset();
     AthenaAppBrowserTest::TearDownOnMainThread();
   }
 
  protected:
   // A |proxy_activity| got deleted and this function waits, using the |tracker|
   // until the application got restarted returning the new application activity.
   Activity* WaitForProxyDestruction(Activity* proxy_activity) {
     ActivityLifetimeTracker tracker;
     void* deleted_activity = nullptr;
@@ skipping 155 matching lines @@
   proxy_activity = nullptr;  // The proxy is gone now.
 
   // After this, the application should remain at its current location in the
   // stack and the activation focus should remain on the current window as well.
   EXPECT_EQ(app_activity->GetWindow(), windows[1]);
   EXPECT_TRUE(IsActivityActive(app_activity));
   EXPECT_EQ(web_activity->GetWindow(), windows[0]);
 }
 
 }  // namespace athena