Update a bunch of files to the new location of browser_thread.h

chrome/browser/chromeos/login/signed_settings.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/chromeos/login/signed_settings.h"
 
 #include <string>
 #include <vector>
 
 #include "base/ref_counted.h"
 #include "base/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/browser_thread.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/login_library.h"
 #include "chrome/browser/chromeos/login/authenticator.h"
 #include "chrome/browser/chromeos/login/ownership_service.h"
 #include "chrome/browser/chromeos/login/signed_settings_temp_storage.h"
+#include "content/browser/browser_thread.h"
 
 namespace chromeos {
 
 SignedSettings::SignedSettings()
     : service_(OwnershipService::GetSharedInstance()) {
 }
 
 SignedSettings::~SignedSettings() {}
 
 SignedSettings::ReturnCode SignedSettings::MapKeyOpCode(
@@ skipping 316 matching lines @@
   }
   // Now, sure we're on the UI thread.
   if (return_code == OwnerManager::SUCCESS)
     d_->OnSettingsOpCompleted(SUCCESS, value_);
   else
     d_->OnSettingsOpCompleted(SignedSettings::MapKeyOpCode(return_code),
                               std::string());
 }
 
 }  // namespace chromeos