drive: Call OnDirectoryChanged from EntryRevertPerformer

chrome/browser/chromeos/drive/sync/remove_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_REMOVE_PERFORMER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_REMOVE_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 google_apis {
 class ResourceEntry;
 }
 
 namespace drive {
 
 class JobScheduler;
 class ResourceEntry;
 
+namespace file_system {
+class OperationObserver;
+}  // namespace file_system
+
 namespace internal {
 
 class EntryRevertPerformer;
 class ResourceMetadata;
 
 // This class encapsulates the drive Remove function.  It is responsible for
 // sending the request to the drive API, then updating the local state and
 // metadata to reflect the new state.
 class RemovePerformer {
  public:
   RemovePerformer(base::SequencedTaskRunner* blocking_task_runner,
+                  file_system::OperationObserver* observer,
                   JobScheduler* scheduler,
                   ResourceMetadata* metadata);
   ~RemovePerformer();
 
   // Removes the resource.
   //
   // |callback| must not be null.
   void Remove(const std::string& local_id,
               const FileOperationCallback& callback);
 
@@ skipping 40 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<RemovePerformer> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(RemovePerformer);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_REMOVE_PERFORMER_H_