Fixed 'singleton' behavior of filebrowser

chrome/browser/ui/browser.cc

 // 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.
 
 #include "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 2309 matching lines @@
 }
 
 void Browser::OpenSearchEngineOptionsDialog() {
   content::RecordAction(UserMetricsAction("EditSearchEngines"));
   ShowOptionsTab(chrome::kSearchEnginesSubPage);
 }
 
 #if defined(FILE_MANAGER_EXTENSION)
 void Browser::OpenFileManager() {
   content::RecordAction(UserMetricsAction("OpenFileManager"));
-  ShowSingletonTabRespectRef(GURL(chrome::kChromeUIFileManagerURL));
+  OpenURL(OpenURLParams(GURL(chrome::kChromeUIFileManagerURL), Referrer(),
+            NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK, false));
 }
 #endif
 
 #if defined(OS_CHROMEOS)
 void Browser::LockScreen() {
   content::RecordAction(UserMetricsAction("LockScreen"));
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       NotifyScreenLockRequested();
 }
 
@@ skipping 3146 matching lines @@
     local_state->SetBoolean(prefs::kShouldShowFirstRunBubble, false);
     window_->GetLocationBar()->ShowFirstRunBubble();
   } else {
     GlobalErrorService* service =
         GlobalErrorServiceFactory::GetForProfile(profile());
     GlobalError* error = service->GetFirstGlobalErrorWithBubbleView();
     if (error)
       error->ShowBubbleView(this);
   }
 }