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

chrome/browser/ui/cocoa/tabs/tab_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/tabs/tab_controller.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/i18n/rtl.h"
@@ skipping 24 matching lines @@
 // A C++ delegate that handles enabling/disabling menu items and handling when
 // a menu command is chosen. Also fixes up the menu item label for "pin/unpin
 // tab".
 class MenuDelegate : public ui::SimpleMenuModel::Delegate {
  public:
   explicit MenuDelegate(id<TabControllerTarget> target, TabController* owner)
       : target_(target),
         owner_(owner) {}
 
   // Overridden from ui::SimpleMenuModel::Delegate
-  virtual bool IsCommandIdChecked(int command_id) const override {
-    return false;
-  }
-  virtual bool IsCommandIdEnabled(int command_id) const override {
+  bool IsCommandIdChecked(int command_id) const override { return false; }
+  bool IsCommandIdEnabled(int command_id) const override {
     TabStripModel::ContextMenuCommand command =
         static_cast<TabStripModel::ContextMenuCommand>(command_id);
     return [target_ isCommandEnabled:command forController:owner_];
   }
-  virtual bool GetAcceleratorForCommandId(
-      int command_id,
-      ui::Accelerator* accelerator) override { return false; }
-  virtual void ExecuteCommand(int command_id, int event_flags) override {
+  bool GetAcceleratorForCommandId(int command_id,
+                                  ui::Accelerator* accelerator) override {
+    return false;
+  }
+  void ExecuteCommand(int command_id, int event_flags) override {
     TabStripModel::ContextMenuCommand command =
         static_cast<TabStripModel::ContextMenuCommand>(command_id);
     [target_ commandDispatch:command forController:owner_];
   }
 
  private:
   id<TabControllerTarget> target_;  // weak
   TabController* owner_;  // weak, owns me
 };
 
@@ skipping 360 matching lines @@
 // TabStripDragController.
 - (BOOL)tabCanBeDragged:(TabController*)controller {
   return [[target_ dragController] tabCanBeDragged:controller];
 }
 
 - (void)maybeStartDrag:(NSEvent*)event forTab:(TabController*)tab {
   [[target_ dragController] maybeStartDrag:event forTab:tab];
 }
 
 @end