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

chrome/browser/ui/sync/profile_signin_confirmation_helper.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/sync/profile_signin_confirmation_helper.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
@@ skipping 24 matching lines @@
 
 const int kHistoryEntriesBeforeNewProfilePrompt = 10;
 
 // Determines whether a profile has any typed URLs in its history.
 class HasTypedURLsTask : public history::HistoryDBTask {
  public:
   explicit HasTypedURLsTask(const base::Callback<void(bool)>& cb)
       : has_typed_urls_(false), cb_(cb) {
   }
 
-  virtual bool RunOnDBThread(history::HistoryBackend* backend,
-                             history::HistoryDatabase* db) override {
+  bool RunOnDBThread(history::HistoryBackend* backend,
+                     history::HistoryDatabase* db) override {
     history::URLRows rows;
     backend->GetAllTypedURLs(&rows);
     if (!rows.empty()) {
       DVLOG(1) << "ProfileSigninConfirmationHelper: profile contains "
                << rows.size() << " typed URLs";
       has_typed_urls_ = true;
     }
     return true;
   }
 
-  virtual void DoneRunOnMainThread() override {
-    cb_.Run(has_typed_urls_);
-  }
+  void DoneRunOnMainThread() override { cb_.Run(has_typed_urls_); }
 
  private:
-  virtual ~HasTypedURLsTask() {}
+  ~HasTypedURLsTask() override {}
 
   bool has_typed_urls_;
   base::Callback<void(bool)> cb_;
 };
 
 bool HasBookmarks(Profile* profile) {
   BookmarkModel* bookmarks = BookmarkModelFactory::GetForProfile(profile);
   bool has_bookmarks = bookmarks && bookmarks->HasBookmarks();
   if (has_bookmarks)
     DVLOG(1) << "ProfileSigninConfirmationHelper: profile contains bookmarks";
@@ skipping 168 matching lines @@
     return;
   }
   // Fire asynchronous queries for profile data.
   ProfileSigninConfirmationHelper* helper =
       new ProfileSigninConfirmationHelper(profile, return_result);
   helper->CheckHasHistory(kHistoryEntriesBeforeNewProfilePrompt);
   helper->CheckHasTypedURLs();
 }
 
 }  // namespace ui