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

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

Index: chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
diff --git a/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm b/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
index 8b6376f488f0161a0694d7a6014455b128bd5f84..d08dfcfa003007b6956cb89ec96578074cd37fff 100644
--- a/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
+++ b/chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm
@@ -263,9 +263,7 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
       AddTokenServiceObserver();
   }
 
-  virtual ~ActiveProfileObserverBridge() {
-    RemoveTokenServiceObserver();
-  }
+  ~ActiveProfileObserverBridge() override { RemoveTokenServiceObserver(); }
 
  private:
   void AddTokenServiceObserver() {
@@ -288,7 +286,7 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
   }
 
   // OAuth2TokenService::Observer:
-  virtual void OnRefreshTokenAvailable(const std::string& account_id) override {
+  void OnRefreshTokenAvailable(const std::string& account_id) override {
     // Tokens can only be added by adding an account through the inline flow,
     // which is started from the account management view. Refresh it to show the
     // update.
@@ -303,7 +301,7 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
     }
   }
 
-  virtual void OnRefreshTokenRevoked(const std::string& account_id) override {
+  void OnRefreshTokenRevoked(const std::string& account_id) override {
     // Tokens can only be removed from the account management view. Refresh it
     // to show the update.
     if ([controller_ viewMode] == profiles::BUBBLE_VIEW_MODE_ACCOUNT_MANAGEMENT)
@@ -312,7 +310,7 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
   }
 
   // AvatarMenuObserver:
-  virtual void OnAvatarMenuChanged(AvatarMenu* avatar_menu) override {
+  void OnAvatarMenuChanged(AvatarMenu* avatar_menu) override {
     profiles::BubbleViewMode viewMode = [controller_ viewMode];
     if (viewMode == profiles::BUBBLE_VIEW_MODE_PROFILE_CHOOSER ||
         viewMode == profiles::BUBBLE_VIEW_MODE_ACCOUNT_MANAGEMENT) {
@@ -321,10 +319,9 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
   }
 
   // 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(chrome::NOTIFICATION_BROWSER_CLOSING, type);
     if (browser_ == content::Source<Browser>(source).ptr()) {
       RemoveTokenServiceObserver();