Rename OperationObserver to OperationDelegate

chrome/browser/chromeos/drive/file_system/create_directory_operation.h

 // Copyright (c) 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_FILE_SYSTEM_CREATE_DIRECTORY_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_DIRECTORY_OPERATION_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 10 matching lines @@
 
 class FileChange;
 class ResourceEntry;
 
 namespace internal {
 class ResourceMetadata;
 }  // namespace internal
 
 namespace file_system {
 
-class OperationObserver;
+class OperationDelegate;
 
 // This class encapsulates the drive Create Directory 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 CreateDirectoryOperation {
  public:
   CreateDirectoryOperation(base::SequencedTaskRunner* blocking_task_runner,
-                           OperationObserver* observer,
+                           OperationDelegate* delegate,
                            internal::ResourceMetadata* metadata);
   ~CreateDirectoryOperation();
 
   // Creates a new directory at |directory_path|.
   // If |is_exclusive| is true, an error is raised in case a directory exists
   // already at the |directory_path|.
   // If |is_recursive| is true, the invocation creates parent directories as
   // needed just like mkdir -p does.
   // Invokes |callback| when finished with the result of the operation.
   // |callback| must not be null.
   void CreateDirectory(const base::FilePath& directory_path,
                        bool is_exclusive,
                        bool is_recursive,
                        const FileOperationCallback& callback);
 
  private:
   // Part of CreateDirectory(). Called after UpdateLocalState().
   void CreateDirectoryAfterUpdateLocalState(
       const FileOperationCallback& callback,
       const std::set<std::string>* updated_local_ids,
       const FileChange* changed_directories,
       FileError error);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
-  OperationObserver* observer_;
+  OperationDelegate* delegate_;
   internal::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<CreateDirectoryOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(CreateDirectoryOperation);
 };
 
 }  // namespace file_system
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_DIRECTORY_OPERATION_H_