SampleSet -> HistogramSamples (will be reused by SparseHistogram)

chrome_frame/metrics_service.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 service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef CHROME_FRAME_METRICS_SERVICE_H_
 #define CHROME_FRAME_METRICS_SERVICE_H_
 
@@ skipping 32 matching lines @@
   MetricsService();
   virtual ~MetricsService();
   // The MetricsService has a lifecycle that is stored as a state.
   // See metrics_service.cc for description of this lifecycle.
   enum State {
     INITIALIZED,            // Constructor was called.
     ACTIVE,                 // Accumalating log data
     STOPPED,                // Service has stopped
   };
 
-  // Maintain a map of histogram names to the sample stats we've sent.
-  typedef std::map<std::string, base::Histogram::SampleSet> LoggedSampleMap;
-
   // Sets and gets whether metrics recording is active.
   // SetRecording(false) also forces a persistent save of logging state (if
   // anything has been recorded, or transmitted).
   void SetRecording(bool enabled);
 
   // Enable/disable transmission of accumulated logs and crash reports (dumps).
   // Return value "true" indicates setting was definitively set as requested).
   // Return value of "false" indicates that the enable state is effectively
   // stuck in the other logical setting.
   // Google Update maintains the authoritative preference in the registry, so
@@ skipping 79 matching lines @@
   // The transmission timer id returned by SetTimer
   int transmission_timer_id_;
 
   // Used to serialize the Start and Stop operations on the metrics service.
   static base::Lock metrics_service_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsService);
 };
 
 #endif  // CHROME_FRAME_METRICS_SERVICE_H_