startup: Put it in chrome namespace.

chrome/browser/ui/startup/obsolete_os_info_bar.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/startup/obsolete_os_info_bar.h"
 
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::OpenURLParams;
 using content::Referrer;
 
-namespace browser {
+namespace chrome {
 
 ObsoleteOSInfoBar::ObsoleteOSInfoBar(InfoBarTabHelper* infobar_helper,
                                      const string16& message,
                                      const GURL& url)
     : LinkInfoBarDelegate(infobar_helper),
       message_(message),
       learn_more_url_(url) {
 }
 
 ObsoleteOSInfoBar::~ObsoleteOSInfoBar() {
@@ skipping 12 matching lines @@
 }
 
 bool ObsoleteOSInfoBar::LinkClicked(WindowOpenDisposition disposition) {
   OpenURLParams params(
       learn_more_url_, Referrer(), disposition, content::PAGE_TRANSITION_LINK,
       false);
   owner()->web_contents()->OpenURL(params);
   return false;
 }
 
-}  // namespace browser
+}  // namespace chrome