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

chrome/browser/ui/app_list/app_list_syncable_service.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/app_list/app_list_syncable_service.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/apps/drive/drive_app_provider.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 166 matching lines @@
 
 class AppListSyncableService::ModelObserver : public AppListModelObserver {
  public:
   explicit ModelObserver(AppListSyncableService* owner)
       : owner_(owner),
         adding_item_(NULL) {
     DVLOG(2) << owner_ << ": ModelObserver Added";
     owner_->model()->AddObserver(this);
   }
 
-  virtual ~ModelObserver() {
+  ~ModelObserver() override {
     owner_->model()->RemoveObserver(this);
     DVLOG(2) << owner_ << ": ModelObserver Removed";
   }
 
  private:
   // AppListModelObserver
-  virtual void OnAppListItemAdded(AppListItem* item) override {
+  void OnAppListItemAdded(AppListItem* item) override {
     DCHECK(!adding_item_);
     adding_item_ = item;  // Ignore updates while adding an item.
     VLOG(2) << owner_ << " OnAppListItemAdded: " << item->ToDebugString();
     owner_->AddOrUpdateFromSyncItem(item);
     adding_item_ = NULL;
   }
 
-  virtual void OnAppListItemWillBeDeleted(AppListItem* item) override {
+  void OnAppListItemWillBeDeleted(AppListItem* item) override {
     DCHECK(!adding_item_);
     VLOG(2) << owner_ << " OnAppListItemDeleted: " << item->ToDebugString();
     // Don't sync folder removal in case the folder still exists on another
     // device (e.g. with device specific items in it). Empty folders will be
     // deleted when the last item is removed (in PruneEmptySyncFolders()).
     if (item->GetItemType() == AppListFolderItem::kItemType)
       return;
     owner_->RemoveSyncItem(item->id());
   }
 
-  virtual void OnAppListItemUpdated(AppListItem* item) override {
+  void OnAppListItemUpdated(AppListItem* item) override {
     if (adding_item_) {
       // Adding an item may trigger update notifications which should be
       // ignored.
       DCHECK_EQ(adding_item_, item);
       return;
     }
     VLOG(2) << owner_ << " OnAppListItemUpdated: " << item->ToDebugString();
     owner_->UpdateSyncItem(item);
   }
 
@@ skipping 769 matching lines @@
   } else {
     res += " { " + item_name + " }";
     res += " [" + item_ordinal.ToDebugString() + "]";
     if (!parent_id.empty())
       res += " <" + parent_id.substr(0, 8) + ">";
   }
   return res;
 }
 
 }  // namespace app_list