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

chrome/browser/ui/cocoa/toolbar/toolbar_controller.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/ui/cocoa/toolbar/toolbar_controller.h"
 
 #include <algorithm>
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 91 matching lines @@
 
 // A class registered for C++ notifications. This is used to detect changes in
 // preferences and upgrade available notifications. Bridges the notification
 // back to the ToolbarController.
 class NotificationBridge : public WrenchMenuBadgeController::Delegate {
  public:
   explicit NotificationBridge(ToolbarController* controller)
       : controller_(controller),
         badge_controller_([controller browser]->profile(), this) {
   }
-  virtual ~NotificationBridge() {
-  }
+  ~NotificationBridge() override {}
 
   void UpdateBadgeSeverity() {
     badge_controller_.UpdateDelegate();
   }
 
-  virtual void UpdateBadgeSeverity(WrenchMenuBadgeController::BadgeType type,
-                                   WrenchIconPainter::Severity severity,
-                                   bool animate) override {
+  void UpdateBadgeSeverity(WrenchMenuBadgeController::BadgeType type,
+                           WrenchIconPainter::Severity severity,
+                           bool animate) override {
     [controller_ updateWrenchButtonSeverity:severity animate:animate];
   }
 
   void OnPreferenceChanged(const std::string& pref_name) {
     [controller_ prefChanged:pref_name];
   }
 
  private:
   ToolbarController* controller_;  // weak, owns us
 
@@ skipping 699 matching lines @@
 - (void)hideDropURLsIndicatorInView:(NSView*)view {
   // Do nothing.
 }
 
 // (URLDropTargetController protocol)
 - (BOOL)isUnsupportedDropData:(id<NSDraggingInfo>)info {
   return drag_util::IsUnsupportedDropData(profile_, info);
 }
 
 @end