Implement polling part of DriveFileSyncService

chrome/browser/sync_file_system/sync_file_system_service.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/stl_util.h"
@@ skipping 429 matching lines @@
 void SyncFileSystemService::OnLocalChangeAvailable(int64 pending_changes) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK_GE(pending_changes, 0);
   DVLOG(1) << "OnLocalChangeAvailable: " << pending_changes;
   pending_local_changes_ = pending_changes;
   base::MessageLoopProxy::current()->PostTask(
       FROM_HERE, base::Bind(&SyncFileSystemService::MaybeStartSync,
                             AsWeakPtr()));
 }
 
-void SyncFileSystemService::OnRemoteChangeAvailable(int64 pending_changes) {
+void SyncFileSystemService::OnRemoteChangeQueueUpdated(int64 pending_changes) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK_GE(pending_changes, 0);
-  DVLOG(1) << "OnRemoteChangeAvailable: " << pending_changes;
+  DVLOG(1) << "OnRemoteChangeQueueUpdated: " << pending_changes;
   pending_remote_changes_ = pending_changes;
   if (pending_changes > 0) {
     // The smallest change available might have changed from the previous one.
     // Reset the is_waiting_remote_sync_enabled_ flag so that we can retry.
     is_waiting_remote_sync_enabled_ = false;
   }
   base::MessageLoopProxy::current()->PostTask(
       FROM_HERE, base::Bind(&SyncFileSystemService::MaybeStartSync,
                             AsWeakPtr()));
 }
@@ skipping 55 matching lines @@
     remote_file_service = mock_remote_file_service_.Pass();
   else
     remote_file_service.reset(new DriveFileSyncService(profile));
 
   service->Initialize(local_file_service.Pass(),
                       remote_file_service.Pass());
   return service;
 }
 
 }  // namespace sync_file_system