Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/sync/entry_revert_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_REVERT_PERFORMER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_REVERT_PERFORMER_H_
 
 #include <set>
 
 #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 FileResource;
 }  // namespace google_apis
 
 namespace drive {
 
+class FileChange;
 class JobScheduler;
 class ResourceEntry;
 struct ClientContext;
 
 namespace file_system {
 class OperationObserver;
 }  // namespace file_system
 
 namespace internal {
 
@@ skipping 24 matching lines @@
                                FileError error);
 
   // Part of RevertEntry(). Called after GetFileResource is completed.
   void RevertEntryAfterGetFileResource(
       const FileOperationCallback& callback,
       const std::string& local_id,
       google_apis::GDataErrorCode status,
       scoped_ptr<google_apis::FileResource> entry);
 
   // Part of RevertEntry(). Called after local metadata is updated.
-  void RevertEntryAfterFinishRevert(
-      const FileOperationCallback& callback,
-      const std::set<base::FilePath>* changed_directories,
-      FileError error);
+  void RevertEntryAfterFinishRevert(const FileOperationCallback& callback,
+                                    const FileChange* changed_files,
+                                    FileError error);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   file_system::OperationObserver* observer_;
   JobScheduler* scheduler_;
   ResourceMetadata* metadata_;
 
   // 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<EntryRevertPerformer> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(EntryRevertPerformer);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_REVERT_PERFORMER_H_