[Autofill] Add UMA timing metrics for requestAutocomplete dialog.

chrome/browser/autofill/autocheckout_infobar_delegate.cc

 // Copyright (c) 2013 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/autofill/autocheckout_infobar_delegate.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/api/infobars/infobar_service.h"
 #include "chrome/browser/autofill/autocheckout_manager.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
+namespace autofill {
+
 // static
 void AutocheckoutInfoBarDelegate::Create(
     const AutofillMetrics& metric_logger,
     const GURL& source_url,
     const content::SSLStatus& ssl_status,
     AutocheckoutManager* autocheckout_manager,
     InfoBarService* infobar_service) {
   infobar_service->AddInfoBar(scoped_ptr<InfoBarDelegate>(
       new AutocheckoutInfoBarDelegate(metric_logger, source_url, ssl_status,
           autocheckout_manager, infobar_service)));
@@ skipping 79 matching lines @@
   owner()->GetWebContents()->GetDelegate()->OpenURLFromTab(
       owner()->GetWebContents(),
       content::OpenURLParams(GURL(chrome::kAutofillHelpURL),
                              content::Referrer(),
                              NEW_FOREGROUND_TAB,
                              content::PAGE_TRANSITION_LINK,
                              false));
   return false;
 }
 
+}  // namespace autofill