Moves ProfilerMetricsProvider to //components/metrics.

components/metrics/profiler/tracking_synchronizer_observer.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.
 
-#ifndef CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_
-#define CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_
+#ifndef COMPONENTS_METRICS_PROFILER_TRACKING_SYNCHRONIZER_OBSERVER_H_
+#define COMPONENTS_METRICS_PROFILER_TRACKING_SYNCHRONIZER_OBSERVER_H_
 
 namespace tracked_objects {
 struct ProcessDataSnapshot;
 }
 
-namespace chrome_browser_metrics {
+namespace metrics {
 
 // Observer for notifications from the TrackingSynchronizer class.
 class TrackingSynchronizerObserver {
  public:
   // Received |profiler_data| from a single process of |process_type|.
   // The observer should assume there might be more data coming until
   // |FinishedReceivingData()| is called.
   virtual void ReceivedProfilerData(
       const tracked_objects::ProcessDataSnapshot& profiler_data,
       int process_type) = 0;
 
   // The observer should not expect any more calls to |ReceivedProfilerData()|
   // (without re-registering).  This is sent either when data from all processes
   // has been gathered, or when the request times out.
   virtual void FinishedReceivingProfilerData() {}
 
  protected:
   TrackingSynchronizerObserver() {}
   virtual ~TrackingSynchronizerObserver() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TrackingSynchronizerObserver);
 };
 
-}  // namespace chrome_browser_metrics
+}  // namespace metrics
 
-#endif  // CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_
+#endif  // COMPONENTS_METRICS_PROFILER_TRACKING_SYNCHRONIZER_OBSERVER_H_