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

chrome/browser/app_controller_mac.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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 218 matching lines @@
  public:
   AppControllerProfileObserver(
       ProfileManager* profile_manager, AppController* app_controller)
       : profile_manager_(profile_manager),
         app_controller_(app_controller) {
     DCHECK(profile_manager_);
     DCHECK(app_controller_);
     profile_manager_->GetProfileInfoCache().AddObserver(this);
   }
 
-  virtual ~AppControllerProfileObserver() {
+  ~AppControllerProfileObserver() override {
     DCHECK(profile_manager_);
     profile_manager_->GetProfileInfoCache().RemoveObserver(this);
   }
 
  private:
   // ProfileInfoCacheObserver implementation:
 
-  virtual void OnProfileAdded(const base::FilePath& profile_path) override {
-  }
+  void OnProfileAdded(const base::FilePath& profile_path) override {}
 
-  virtual void OnProfileWasRemoved(
-      const base::FilePath& profile_path,
-      const base::string16& profile_name) override {
+  void OnProfileWasRemoved(const base::FilePath& profile_path,
+                           const base::string16& profile_name) override {
     // When a profile is deleted we need to notify the AppController,
     // so it can correctly update its pointer to the last used profile.
     [app_controller_ profileWasRemoved:profile_path];
   }
 
-  virtual void OnProfileWillBeRemoved(
-      const base::FilePath& profile_path) override {
-  }
+  void OnProfileWillBeRemoved(const base::FilePath& profile_path) override {}
 
-  virtual void OnProfileNameChanged(
-      const base::FilePath& profile_path,
-      const base::string16& old_profile_name) override {
-  }
+  void OnProfileNameChanged(const base::FilePath& profile_path,
+                            const base::string16& old_profile_name) override {}
 
-  virtual void OnProfileAvatarChanged(
-      const base::FilePath& profile_path) override {
-  }
+  void OnProfileAvatarChanged(const base::FilePath& profile_path) override {}
 
   ProfileManager* profile_manager_;
 
   AppController* app_controller_;  // Weak; owns us.
 
   DISALLOW_COPY_AND_ASSIGN(AppControllerProfileObserver);
 };
 
 @implementation AppController
 
@@ skipping 1300 matching lines @@
 
 //---------------------------------------------------------------------------
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac