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

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

Index: chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
diff --git a/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm b/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
index 5c432b2803a13606e4b73ce462313525d41db08a..0482cbc6b975c0c84aea88c212c23b83a6dafbda 100644
--- a/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
+++ b/chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm
@@ -64,7 +64,7 @@ class ProfileInfoUpdateObserver : public ProfileInfoCacheObserver,
       errorController->AddObserver(this);
   }
 
-  virtual ~ProfileInfoUpdateObserver() {
+  ~ProfileInfoUpdateObserver() override {
     g_browser_process->profile_manager()->
         GetProfileInfoCache().RemoveObserver(this);
     SigninErrorController* errorController =
@@ -74,40 +74,37 @@ class ProfileInfoUpdateObserver : public ProfileInfoCacheObserver,
   }
 
   // ProfileInfoCacheObserver:
-  virtual void OnProfileAdded(const base::FilePath& profile_path) override {
+  void OnProfileAdded(const base::FilePath& profile_path) override {
     [avatarController_ updateAvatarButtonAndLayoutParent:YES];
   }
 
-  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 {
     // If deleting the active profile, don't bother updating the avatar
     // button, as the browser window is being closed anyway.
     if (profile_->GetPath() != profile_path)
       [avatarController_ updateAvatarButtonAndLayoutParent:YES];
   }
 
-  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 {
     if (profile_->GetPath() == profile_path)
       [avatarController_ updateAvatarButtonAndLayoutParent:YES];
   }
 
-  virtual void OnProfileAvatarChanged(
-      const base::FilePath& profile_path) override {
+  void OnProfileAvatarChanged(const base::FilePath& profile_path) override {
     if (profile_->GetPath() == profile_path)
       [avatarController_ updateAvatarButtonAndLayoutParent:YES];
   }
 
-  virtual void OnProfileSupervisedUserIdChanged(
+  void OnProfileSupervisedUserIdChanged(
       const base::FilePath& profile_path) override {
     if (profile_->GetPath() == profile_path)
       [avatarController_ updateAvatarButtonAndLayoutParent:YES];
   }
 
   // SigninErrorController::Observer:
-  virtual void OnErrorChanged() override {
+  void OnErrorChanged() override {
     SigninErrorController* errorController =
         profiles::GetSigninErrorController(profile_);
     if (errorController)