sync: Remove UpdateProgress and related code

sync/sessions/status_controller.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.
 
 // StatusController handles all counter and status related number crunching and
 // state tracking on behalf of a SyncSession.  It 'controls' the model data
 // defined in session_state.h.  The most important feature of StatusController
 // is the ScopedModelSafetyRestriction. When one of these is active, the
 // underlying data set exposed via accessors is swapped out to the appropriate
 // set for the restricted ModelSafeGroup behind the scenes.  For example, if
@@ skipping 37 matching lines @@
 class StatusController {
  public:
   explicit StatusController(const ModelSafeRoutingInfo& routes);
   ~StatusController();
 
   // Progress counters.  All const methods may return NULL if the
   // progress structure doesn't exist, but all non-const methods
   // auto-create.
   const std::set<syncable::Id>* simple_conflict_ids() const;
   std::set<syncable::Id>* mutable_simple_conflict_ids();
-  const UpdateProgress* update_progress() const;
-  UpdateProgress* mutable_update_progress();
   const std::set<syncable::Id>* GetUnrestrictedSimpleConflictIds(
       ModelSafeGroup group) const;
-  const UpdateProgress* GetUnrestrictedUpdateProgress(
-      ModelSafeGroup group) const;
-  UpdateProgress* GetUnrestrictedMutableUpdateProgressForTest(
-      ModelSafeGroup group);
 
   // ClientToServer messages.
   const ModelTypeSet updates_request_types() const {
     return model_neutral_.updates_request_types;
   }
   void set_updates_request_types(ModelTypeSet value) {
     model_neutral_.updates_request_types = value;
   }
   const sync_pb::ClientToServerResponse& updates_response() const {
     return model_neutral_.updates_response;
@@ skipping 27 matching lines @@
   // Various conflict counters.
   int num_encryption_conflicts() const;
   int num_hierarchy_conflicts() const;
   int num_server_conflicts() const;
 
   int num_simple_conflicts() const;
 
   // Aggregate sum of all conflicting items over all conflict types.
   int TotalNumConflictingItems() const;
 
+  // Number of successfully applied updates.
+  int num_updates_applied() const;
+
   // Returns the number of updates received from the sync server.
   int64 CountUpdates() const;
 
   // Returns true if the last download_updates_command received a valid
   // server response.
   bool download_updates_succeeded() const {
     return model_neutral_.last_download_updates_result
         == SYNCER_OK;
   }
 
@@ skipping 119 matching lines @@
   }
  private:
   StatusController* status_;
   DISALLOW_COPY_AND_ASSIGN(ScopedModelSafeGroupRestriction);
 };
 
 }  // namespace sessions
 }  // namespace syncer
 
 #endif  // SYNC_SESSIONS_STATUS_CONTROLLER_H_