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

chrome/browser/chromeos/login/help_app_launcher.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 <string>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
-#include "chrome/browser/browser_thread.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
 #include "chrome/common/url_constants.h"
+#include "content/browser/browser_thread.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace chromeos {
 
 namespace {
 const char kHelpTopicBasePath[] = "/usr/share/chromeos-assets/help/";
 
 const char* kHelpTopicFiles[] = { "connectivity.html",
                                   "usage.html",
@@ skipping 57 matching lines @@
             l10n_util::GetStringUTF16(IDS_LOGIN_OOBE_HELP_DIALOG_TITLE)),
         topic_url,
         LoginHtmlDialog::STYLE_BUBBLE));
   } else {
     dialog_->set_url(topic_url);
   }
   dialog_->Show();
 }
 
 }  // namespace chromeos