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

chrome/browser/geolocation/geolocation_permission_context_unittest.cc

 // 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 "chrome/browser/geolocation/geolocation_permission_context.h"
 
 #include <set>
 #include <string>
 #include <utility>
 
@@ skipping 38 matching lines @@
 
 using content::MockRenderProcessHost;
 
 
 // ClosedInfoBarTracker -------------------------------------------------------
 
 // We need to track which infobars were closed.
 class ClosedInfoBarTracker : public content::NotificationObserver {
  public:
   ClosedInfoBarTracker();
-  virtual ~ClosedInfoBarTracker();
+  ~ClosedInfoBarTracker() override;
 
   // 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;
 
   size_t size() const { return removed_infobars_.size(); }
 
   bool Contains(infobars::InfoBar* infobar) const;
   void Clear();
 
  private:
   FRIEND_TEST_ALL_PREFIXES(GeolocationPermissionContextTests, TabDestroyed);
   content::NotificationRegistrar registrar_;
   std::set<infobars::InfoBar*> removed_infobars_;
@@ skipping 700 matching lines @@
   // it is the embedder.
   EXPECT_EQ(map->GetLastUsage(requesting_frame_0.GetOrigin(),
                               requesting_frame_0.GetOrigin(),
                               CONTENT_SETTINGS_TYPE_GEOLOCATION).ToDoubleT(),
             13);
   EXPECT_EQ(map->GetLastUsage(requesting_frame_1.GetOrigin(),
                               requesting_frame_0.GetOrigin(),
                               CONTENT_SETTINGS_TYPE_GEOLOCATION).ToDoubleT(),
             11);
 }