C++11 override style change for athena

athena/content/chrome/web_activity_helpers_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/test/chrome/athena_browsertest.h"
 #include "athena/test/chrome/test_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 10 matching lines @@
 // Checks that the web activity helpers are created prior to the RenderView
 // being created.
 class HelpersCreatedChecker : public content::NotificationObserver {
  public:
   HelpersCreatedChecker() : helpers_created_prior_to_render_view_(true) {
     registrar_.Add(this,
                    content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED,
                    content::NotificationService::AllSources());
   }
 
-  virtual ~HelpersCreatedChecker() {
-  }
+  ~HelpersCreatedChecker() override {}
 
   // Returns true if WebActivity helpers were attached to the WebContents prior
   // to the RenderView being created for the WebContents.
   bool HelpersCreatedPriorToRenderView() const {
     return helpers_created_prior_to_render_view_;
   }
 
  private:
   // content::NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override {
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override {
     DCHECK_EQ(content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED,
               type);
 
     // Assume that all of the WebActivity helpers were created if the
     // extensions::TabHelper was created.
     content::WebContents* web_contents =
         content::Source<content::WebContents>(source).ptr();
     helpers_created_prior_to_render_view_ &=
         (extensions::TabHelper::FromWebContents(web_contents) != nullptr);
   }
@@ skipping 28 matching lines @@
   activity->SetCurrentState(Activity::ACTIVITY_UNLOADED);
   activity->SetCurrentState(Activity::ACTIVITY_VISIBLE);
 
   content::WebContents* web_contents2 = activity->GetWebContents();
   EXPECT_NE(web_contents1, web_contents2);
   EXPECT_TRUE(web_contents2->GetRenderViewHost()->IsRenderViewLive());
   EXPECT_TRUE(checker.HelpersCreatedPriorToRenderView());
 }
 
 }  // namespace athena