Add a new GetInstance() method for remaining files with singleton classes under chrome/browser.

chrome/browser/ui/toolbar/wrench_menu_model.cc

 // Copyright (c) 2010 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/toolbar/wrench_menu_model.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "app/l10n_util.h"
@@ skipping 283 matching lines @@
 
   return browser_->command_updater()->IsCommandEnabled(command_id);
 }
 
 bool WrenchMenuModel::IsCommandIdVisible(int command_id) const {
   if (command_id == IDC_UPGRADE_DIALOG) {
 #if defined(OS_CHROMEOS)
     return (chromeos::CrosLibrary::Get()->GetUpdateLibrary()->status().status
             == chromeos::UPDATE_STATUS_UPDATED_NEED_REBOOT);
 #else
-    return Singleton<UpgradeDetector>::get()->notify_upgrade();
+    return UpgradeDetector::GetInstance()->notify_upgrade();
 #endif
   } else if (command_id == IDC_VIEW_INCOMPATIBILITIES) {
 #if defined(OS_WIN)
     EnumerateModulesModel* loaded_modules =
         EnumerateModulesModel::GetSingleton();
     return loaded_modules->confirmed_bad_modules_detected() > 0;
 #else
     return false;
 #endif
   } else if (command_id == IDC_VIEW_BACKGROUND_PAGES) {
@@ skipping 215 matching lines @@
         &enable_increment, &enable_decrement);
   }
   zoom_label_ = l10n_util::GetStringFUTF16(
       IDS_ZOOM_PERCENT, base::IntToString16(zoom_percent));
 }
 
 string16 WrenchMenuModel::GetSyncMenuLabel() const {
   return sync_ui_util::GetSyncMenuLabel(
       browser_->profile()->GetOriginalProfile()->GetProfileSyncService());
 }