sync: Report GetUpdate triggers to the server

sync/engine/sync_scheduler_impl.h

 // Copyright 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 SYNC_ENGINE_SYNC_SCHEDULER_IMPL_H_
 #define SYNC_ENGINE_SYNC_SCHEDULER_IMPL_H_
 
 #include <map>
 #include <string>
 
@@ skipping 38 matching lines @@
                     sessions::SyncSessionContext* context,
                     Syncer* syncer);
 
   // Calls Stop().
   virtual ~SyncSchedulerImpl();
 
   virtual void Start(Mode mode) OVERRIDE;
   virtual bool ScheduleConfiguration(
       const ConfigurationParams& params) OVERRIDE;
   virtual void RequestStop(const base::Closure& callback) OVERRIDE;
-  virtual void ScheduleNudgeAsync(
+  virtual void ScheduleLocalNudge(
       const base::TimeDelta& desired_delay,
-      NudgeSource source,
       ModelTypeSet types,
       const tracked_objects::Location& nudge_location) OVERRIDE;
-  virtual void ScheduleNudgeWithStatesAsync(
-      const base::TimeDelta& desired_delay, NudgeSource source,
+  virtual void ScheduleLocalRefreshRequest(
+      const base::TimeDelta& desired_delay,
+      ModelTypeSet types,
+      const tracked_objects::Location& nudge_location) OVERRIDE;
+  virtual void ScheduleInvalidationNudge(
+      const base::TimeDelta& desired_delay,
       const ModelTypeInvalidationMap& invalidation_map,
       const tracked_objects::Location& nudge_location) OVERRIDE;
   virtual void SetNotificationsEnabled(bool notifications_enabled) OVERRIDE;
 
   virtual base::TimeDelta GetSessionsCommitDelay() const OVERRIDE;
 
   virtual void OnCredentialsUpdated() OVERRIDE;
   virtual void OnConnectionStatusChange() OVERRIDE;
 
   // SyncSession::Delegate implementation.
   virtual void OnSilencedUntil(
       const base::TimeTicks& silenced_until) OVERRIDE;
   virtual bool IsSyncingCurrentlySilenced() OVERRIDE;
   virtual void OnReceivedShortPollIntervalUpdate(
       const base::TimeDelta& new_interval) OVERRIDE;
   virtual void OnReceivedLongPollIntervalUpdate(
       const base::TimeDelta& new_interval) OVERRIDE;
   virtual void OnReceivedSessionsCommitDelay(
       const base::TimeDelta& new_delay) OVERRIDE;
+  virtual void OnReceivedClientInvalidationHintBufferSize(int size) OVERRIDE;
   virtual void OnShouldStopSyncingPermanently() OVERRIDE;
   virtual void OnSyncProtocolError(
       const sessions::SyncSessionSnapshot& snapshot) OVERRIDE;
 
  private:
   enum JobPriority {
     // Non-canary jobs respect exponential backoff.
     NORMAL_PRIORITY,
     // Canary jobs bypass exponential backoff, so use with extreme caution.
     CANARY_PRIORITY
@@ skipping 85 matching lines @@
 
   // 'Impl' here refers to real implementation of public functions.
   void StopImpl(const base::Closure& callback);
 
   // If the scheduler's current state supports it, this will create a job based
   // on the passed in parameters and coalesce it with any other pending jobs,
   // then post a delayed task to run it.  It may also choose to drop the job or
   // save it for later, depending on the scheduler's current state.
   void ScheduleNudgeImpl(
       const base::TimeDelta& delay,
-      sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source,
-      const ModelTypeInvalidationMap& invalidation_map,
       const tracked_objects::Location& nudge_location);
 
   // Returns true if the client is currently in exponential backoff.
   bool IsBackingOff() const;
 
   // Helper to signal all listeners registered with |session_context_|.
   void Notify(SyncEngineEvent::EventCause cause);
 
   // Helper to signal listeners about changed retry time
   void NotifyRetryTime(base::Time retry_time);
@@ skipping 13 matching lines @@
 
   // Called as we are started to broadcast an initial session snapshot
   // containing data like initial_sync_ended.  Important when the client starts
   // up and does not need to perform an initial sync.
   void SendInitialSnapshot();
 
   // This is used for histogramming and analysis of ScheduleNudge* APIs.
   // SyncScheduler is the ultimate choke-point for all such invocations (with
   // and without InvalidationState variants, all NudgeSources, etc) and as such
   // is the most flexible place to do this bookkeeping.
-  void UpdateNudgeTimeRecords(const sessions::SyncSourceInfo& info);
+  void UpdateNudgeTimeRecords(ModelTypeSet types);
 
   virtual void OnActionableError(const sessions::SyncSessionSnapshot& snapshot);
 
   base::WeakPtrFactory<SyncSchedulerImpl> weak_ptr_factory_;
 
   // A second factory specially for weak_handle_this_, to allow the handle
   // to be const and alleviate threading concerns.
   base::WeakPtrFactory<SyncSchedulerImpl> weak_ptr_factory_for_weak_handle_;
 
   // For certain methods that need to worry about X-thread posting.
@@ skipping 54 matching lines @@
   // take place during a sync cycle. We call this out because such violations
   // could result in tight sync loops hitting sync servers.
   bool no_scheduling_allowed_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncSchedulerImpl);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_SYNC_SCHEDULER_IMPL_H_