Rename OperationObserver to OperationDelegate

chrome/browser/chromeos/drive/file_system/truncate_operation.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_FILE_SYSTEM_TRUNCATE_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_TRUNCATE_OPERATION_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
 class JobScheduler;
 class ResourceEntry;
 
 namespace internal {
 class FileCache;
 class ResourceMetadata;
 }  // namespace internal
 
 namespace file_system {
 
-class OperationObserver;
+class OperationDelegate;
 class DownloadOperation;
 
 // This class encapsulates the drive Truncate function. It is responsible for
 // fetching the content from the Drive server if necessary, truncating the
 // file content actually, and then notifying the file is locally modified and
 // that it is necessary to upload the file to the server.
 class TruncateOperation {
  public:
   TruncateOperation(base::SequencedTaskRunner* blocking_task_runner,
-                    OperationObserver* observer,
+                    OperationDelegate* delegate,
                     JobScheduler* scheduler,
                     internal::ResourceMetadata* metadata,
                     internal::FileCache* cache,
                     const base::FilePath& temporary_file_directory);
   ~TruncateOperation();
 
   // Performs the truncate operation on the file at drive path |file_path| to
   // |length| bytes. Invokes |callback| when finished with the result of the
   // operation. |callback| must not be null.
   void Truncate(const base::FilePath& file_path,
                 int64 length,
                 const FileOperationCallback& callback);
  private:
   // Part of Truncate(). Called after EnsureFileDownloadedByPath() is complete.
   void TruncateAfterEnsureFileDownloadedByPath(
       int64 length,
       const FileOperationCallback& callback,
       FileError error,
       const base::FilePath& local_file_path,
       scoped_ptr<ResourceEntry> resource_entry);
 
   // Part of Truncate(). Called after TruncateOnBlockingPool() is complete.
   void TruncateAfterTruncateOnBlockingPool(
       const std::string& local_id,
       const FileOperationCallback& callback,
       FileError error);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
-  OperationObserver* observer_;
+  OperationDelegate* delegate_;
   internal::ResourceMetadata* metadata_;
   internal::FileCache* cache_;
 
   scoped_ptr<DownloadOperation> download_operation_;
 
   // 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<TruncateOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(TruncateOperation);
 };
 
 }  // namespace file_system
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_TRUNCATE_OPERATION_H_