Rename OperationObserver to OperationDelegate

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"
@@ skipping 12 matching lines @@
 }  // namespace google_apis
 
 namespace drive {
 
 class FileChange;
 class JobScheduler;
 class ResourceEntry;
 struct ClientContext;
 
 namespace file_system {
-class OperationObserver;
+class OperationDelegate;
 }  // namespace file_system
 
 namespace internal {
 
 class ResourceMetadata;
 
 // This class is responsible to revert local changes of an entry.
 class EntryRevertPerformer {
  public:
   EntryRevertPerformer(base::SequencedTaskRunner* blocking_task_runner,
-                       file_system::OperationObserver* observer,
+                       file_system::OperationDelegate* delegate,
                        JobScheduler* scheduler,
                        ResourceMetadata* metadata);
   ~EntryRevertPerformer();
 
   // Requests the server for metadata of the entry specified by |local_id|
   // and overwrites the locally stored entry with it.
   // Invokes |callback| when finished with the result of the operation.
   // |callback| must not be null.
   void RevertEntry(const std::string& local_id,
                    const ClientContext& context,
@@ skipping 12 matching lines @@
       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 FileChange* changed_files,
                                     FileError error);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
-  file_system::OperationObserver* observer_;
+  file_system::OperationDelegate* delegate_;
   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_