drive: Call OnDirectoryChanged from EntryRevertPerformer

chrome/browser/chromeos/drive/sync/entry_update_performer.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_UPDATE_PERFORMER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_UPDATE_PERFORMER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "google_apis/drive/gdata_errorcode.h"
 
 namespace base {
 class SequencedTaskRunner;
 }  // namespace base
 
 namespace google_apis {
 class ResourceEntry;
 }  // namespace google_apis
 
 namespace drive {
 
 class JobScheduler;
 class ResourceEntry;
 
+namespace file_system {
+class OperationObserver;
+}  // namespace file_system
+
 namespace internal {
 
 class EntryRevertPerformer;
 class RemovePerformer;
 class ResourceMetadata;
 
 // This class is responsible to perform server side update of an entry.
 class EntryUpdatePerformer {
  public:
   EntryUpdatePerformer(base::SequencedTaskRunner* blocking_task_runner,
+                       file_system::OperationObserver* observer,
                        JobScheduler* scheduler,
                        ResourceMetadata* metadata);
   ~EntryUpdatePerformer();
 
   // Requests the server to update the metadata of the entry specified by
   // |local_id| with the locally stored one.
   // Invokes |callback| when finished with the result of the operation.
   // |callback| must not be null.
   void UpdateEntry(const std::string& local_id,
                    const FileOperationCallback& callback);
@@ skipping 26 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<EntryUpdatePerformer> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(EntryUpdatePerformer);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_UPDATE_PERFORMER_H_