Use a direct include of utf_string_conversions.h in chrome/browser/ui/, part 2.

chrome/browser/ui/webui/metrics_handler.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/webui/metrics_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/metrics/metric_event_duration_details.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 
 using base::ListValue;
 using content::UserMetricsAction;
@@ skipping 76 matching lines @@
     // The new tab page has finished loading; reset it.
     tab->SetNewTabStartTime(base::TimeTicks());
   } else {
     NOTREACHED();
   }
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_METRIC_EVENT_DURATION,
       content::Source<WebContents>(tab),
       content::Details<MetricEventDurationDetails>(&details));
 }