[BackgroundSync] Split failed and succeeded cases of BackgroundSyncMetrics::CountRegister

content/browser/background_sync/background_sync_metrics.h

 // Copyright 2015 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 CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_
 #define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_
 
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "content/browser/background_sync/background_sync.pb.h"
@@ skipping 20 matching lines @@
   // Records the result of a single sync event firing.
   static void RecordEventResult(SyncPeriodicity periodicity,
                                 bool result,
                                 bool finished_in_foreground);
 
   // Records the result of running a batch of sync events, including the total
   // time spent, and the batch size.
   static void RecordBatchSyncEventComplete(const base::TimeDelta& time,
                                            int number_of_batched_sync_events);
 
-  // Records the result of trying to register a sync. |could_fire| indicates
-  // whether the conditions were sufficient for the sync to fire immediately at
-  // the time it was registered.
-  static void CountRegister(SyncPeriodicity periodicity,
-                            RegistrationCouldFire could_fire,
-                            RegistrationIsDuplicate registration_is_duplicate,
-                            BackgroundSyncStatus result);
+  // Records the result of successfully registering a sync. |could_fire|
+  // indicates whether the conditions were sufficient for the sync to fire
+  // immediately at the time it was registered.
+  static void CountRegisterSuccess(
+      SyncPeriodicity periodicity,
+      RegistrationCouldFire could_fire,
+      RegistrationIsDuplicate registration_is_duplicate);
+
+  // Records the status of a failed sync registration.
+  static void CountRegisterFailure(SyncPeriodicity periodicity,
+                                   BackgroundSyncStatus status);
 
   // Records the result of trying to unregister a sync.
   static void CountUnregister(SyncPeriodicity periodicity,
                               BackgroundSyncStatus result);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(BackgroundSyncMetrics);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_