Refactor metrics callback functions

components/metrics/metrics_service.h

 // Copyright 2014 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 COMPONENTS_METRICS_METRICS_SERVICE_H_
 #define COMPONENTS_METRICS_METRICS_SERVICE_H_
 
@@ skipping 311 matching lines @@
   // Called when Chrome shuts down.
   void PushPendingLogsToPersistentStorage();
 
   // Ensures that scheduler is running, assuming the current settings are such
   // that metrics should be reported. If not, this is a no-op.
   void StartSchedulerIfNecessary();
 
   // Starts the process of uploading metrics data.
   void StartScheduledUpload();
 
-  // Called by the client when final log info collection is complete.
+  // Called by the client via a callback when final log info collection is
+  // complete.
   void OnFinalLogInfoCollectionDone();
 
-  // Either closes the current log or creates and closes the initial log
-  // (depending on |state_|), and stages it for upload.
-  void StageNewLog();
+  // If recording is enabled, begins uploading the next completed log from
+  // the log manager, staging it if necessary.
+  void SendNextLog();
 
   // Returns true if any of the registered metrics providers have stability
   // metrics to report.
   bool ProvidersHaveStabilityMetrics();
 
   // Prepares the initial stability log, which is only logged when the previous
   // run of Chrome crashed.  This log contains any stability metrics left over
   // from that previous run, and only these stability metrics.  It uses the
   // system profile from the previous session.  Returns true if a log was
   // created.
@@ skipping 140 matching lines @@
   // Weak pointers factory used for saving state. All weak pointers managed by
   // this factory are invalidated in ScheduleNextStateSave.
   base::WeakPtrFactory<MetricsService> state_saver_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsService);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_METRICS_SERVICE_H_