Have content/ create and destroy its own threads.

chrome/browser/ui/webui/chromeos/sim_unlock_ui.cc

 // Copyright (c) 2011 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/webui/chromeos/sim_unlock_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
+#include "base/message_loop.h"
 #include "base/string_piece.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/sim_dialog_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/url_constants.h"
@@ skipping 655 matching lines @@
   AddMessageHandler((handler)->Attach(this));
   handler->Init(contents);
   SimUnlockUIHTMLSource* html_source = new SimUnlockUIHTMLSource();
 
   // Set up the chrome://sim-unlock/ source.
   Profile* profile = Profile::FromBrowserContext(contents->browser_context());
   profile->GetChromeURLDataManager()->AddDataSource(html_source);
 }
 
 }  // namespace chromeos