Rename OperationObserver to OperationDelegate

chrome/browser/chromeos/drive/file_system/touch_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_TOUCH_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_TOUCH_OPERATION_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
 
 namespace drive {
 namespace internal {
 class ResourceMetadata;
 }  // namespace internal
 
 class ResourceEntry;
 
 namespace file_system {
 
-class OperationObserver;
+class OperationDelegate;
 
 class TouchOperation {
  public:
   TouchOperation(base::SequencedTaskRunner* blocking_task_runner,
-                 OperationObserver* observer,
+                 OperationDelegate* delegate,
                  internal::ResourceMetadata* metadata);
   ~TouchOperation();
 
   // Touches the file by updating last access time and last modified time.
   // Upon completion, invokes |callback|.
   // |last_access_time|, |last_modified_time| and |callback| must not be null.
   void TouchFile(const base::FilePath& file_path,
                  const base::Time& last_access_time,
                  const base::Time& last_modified_time,
                  const FileOperationCallback& callback);
 
  private:
   // Part of TouchFile(). Runs after updating the local state.
   void TouchFileAfterUpdateLocalState(const base::FilePath& file_path,
                                       const FileOperationCallback& callback,
                                       const ResourceEntry* entry,
                                       const std::string* local_id,
                                       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<TouchOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(TouchOperation);
 };
 
 }  // namespace file_system
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_TOUCH_OPERATION_H_