Move part of metrics from chrome/common to components

chrome/browser/metrics/metrics_log.h

 // 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.
 
 // This file defines a set of user experience metrics data recorded by
 // the MetricsService.  This is the unit of data that is sent to the server.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_LOG_H_
 #define CHROME_BROWSER_METRICS_METRICS_LOG_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "chrome/browser/metrics/extension_metrics.h"
 #include "chrome/browser/metrics/metrics_network_observer.h"
-#include "chrome/common/metrics/metrics_log_base.h"
 #include "chrome/common/metrics/variations/variations_util.h"
 #include "chrome/installer/util/google_update_settings.h"
+#include "components/metrics/metrics_log_base.h"
 #include "ui/gfx/size.h"
 
 class HashedExtensionMetrics;
 class MetricsNetworkObserver;
 struct OmniboxLog;
 class PrefService;
 class PrefRegistrySimple;
 
 #if defined(OS_CHROMEOS)
 class MetricsLogChromeOS;
@@ skipping 27 matching lines @@
     base::Time last_started_au;
     // The time at which Google Update last successfully recieved update
     // information from Google servers.
     base::Time last_checked;
     // Details about Google Update's attempts to update itself.
     GoogleUpdateSettings::ProductData google_update_data;
     // Details about Google Update's attempts to update this product.
     GoogleUpdateSettings::ProductData product_data;
 };
 
-class MetricsLog : public MetricsLogBase {
+class MetricsLog : public metrics::MetricsLogBase {
  public:
   // Creates a new metrics log of the specified type.
   // client_id is the identifier for this profile on this installation
   // session_id is an integer that's incremented on each application launch
   MetricsLog(const std::string& client_id, int session_id, LogType log_type);
   virtual ~MetricsLog();
 
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // Get the current version of the application as a string.
@@ skipping 108 matching lines @@
   // The time when the current log was created.
   const base::TimeTicks creation_time_;
 
   // For including information on which extensions are installed in reports.
   HashedExtensionMetrics extension_metrics_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsLog);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_LOG_H_