[SyncFS] Add missing LocalFileChangeTracker::UpdateNumChanges call (1.5/3)

chrome/browser/sync_file_system/local/local_file_change_tracker.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/sync_file_system/local/local_file_change_tracker.h"
 
 #include <queue>
 
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 207 matching lines @@
   mirror_changes_.erase(url);
   change_seqs_.erase(found->second.change_seq);
   changes_.erase(found);
 
   FileChangeList::List change_list = changes.list();
   while (!change_list.empty()) {
     RecordChangeToChangeMaps(url, change_list.front(), 0,
                              &demoted_changes_, NULL);
     change_list.pop_front();
   }
+  UpdateNumChanges();
 }
 
 void LocalFileChangeTracker::PromoteDemotedChangesForURL(
     const fileapi::FileSystemURL& url) {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
 
   FileChangeMap::iterator iter = demoted_changes_.find(url);
   if (iter == demoted_changes_.end())
     return;
 
@@ skipping 11 matching lines @@
 }
 
 bool LocalFileChangeTracker::PromoteDemotedChanges() {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
   if (demoted_changes_.empty())
     return false;
   while (!demoted_changes_.empty()) {
     fileapi::FileSystemURL url = demoted_changes_.begin()->first;
     PromoteDemotedChangesForURL(url);
   }
+  UpdateNumChanges();
   return true;
 }
 
 SyncStatusCode LocalFileChangeTracker::Initialize(
     FileSystemContext* file_system_context) {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(!initialized_);
   DCHECK(file_system_context);
 
   SyncStatusCode status = CollectLastDirtyChanges(file_system_context);
@@ skipping 45 matching lines @@
   GetNextChangedURLs(&url_deque, 0);
   urls->clear();
   urls->insert(url_deque.begin(), url_deque.end());
 }
 
 void LocalFileChangeTracker::DropAllChanges() {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
   changes_.clear();
   change_seqs_.clear();
   mirror_changes_.clear();
+  UpdateNumChanges();
 }
 
 SyncStatusCode LocalFileChangeTracker::MarkDirtyOnDatabase(
     const FileSystemURL& url) {
   std::string serialized_url;
   if (!SerializeSyncableFileSystemURL(url, &serialized_url))
     return SYNC_FILE_ERROR_INVALID_URL;
 
   return tracker_db_->MarkDirty(serialized_url);
 }
@@ skipping 256 matching lines @@
   if (!status.ok() && !status.IsNotFound()) {
     HandleError(FROM_HERE, status);
     db_status_ = LevelDBStatusToSyncStatusCode(status);
     db_.reset();
     return db_status_;
   }
   return SYNC_STATUS_OK;
 }
 
 }  // namespace sync_file_system