Move Time, TimeDelta and TimeTicks into namespace base.

chrome/browser/metrics_service.h

 // Copyright (c) 2006-2008 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.
 
 // This file defines a service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef CHROME_BROWSER_METRICS_SERVICE_H__
 #define CHROME_BROWSER_METRICS_SERVICE_H__
 
@@ skipping 421 matching lines @@
   scoped_ptr<DictionaryValue> profile_dictionary_;
 
   // For histograms, record what we've already logged (as a sample for each
   // histogram) so that we can send only the delta with the next log.
   MetricsService::LoggedSampleMap logged_samples_;
 
   // The interval between consecutive log transmissions (to avoid hogging the
   // outbound network link).  This is usually also the duration for which we
   // build up a log, but if other unsent-logs from previous sessions exist, we
   // quickly transmit those unsent logs while we continue to build a log.
-  TimeDelta interlog_duration_;
+  base::TimeDelta interlog_duration_;
 
   // The maximum number of events which get transmitted in a log.  This defaults
   // to a constant and otherwise is provided by the UMA server in the server
   // response data.
   int log_event_limit_;
 
   // The types of data that are to be included in the logs and histograms
   // according to the UMA response data.
   std::set<std::string> logs_to_upload_;
   std::set<std::string> logs_to_omit_;
   std::set<std::string> histograms_to_upload_;
   std::set<std::string> histograms_to_omit_;
 
   // Indicate that a timer for sending the next log has already been queued.
   bool timer_pending_;
 
   DISALLOW_EVIL_CONSTRUCTORS(MetricsService);
 };
 
 #endif  // CHROME_BROWSER_METRICS_SERVICE_H__