Delete Tracked, and move Location to its own file.

chrome/browser/metrics/metrics_reporting_scheduler.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_REPORTING_SCHEDULER_H_
 #define CHROME_BROWSER_METRICS_METRICS_REPORTING_SCHEDULER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/task.h"
+#include "base/time.h"
 
 // Scheduler task to drive a MetricsService object's uploading.
 class MetricsReportingScheduler {
  public:
   explicit MetricsReportingScheduler(const base::Closure& upload_callback);
   ~MetricsReportingScheduler();
 
   // Starts scheduling uploads. This in a no-op if the scheduler is already
   // running, so it is safe to call more than once.
   void Start();
@@ skipping 37 matching lines @@
   // started.
   bool timer_pending_;
 
   // Indicates that the last triggered upload hasn't resolved yet.
   bool callback_pending_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsReportingScheduler);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_REPORTING_SCHEDULER_H_