Rename OperationObserver to OperationDelegate

chrome/browser/chromeos/drive/file_system/truncate_operation.cc

 // 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.
 
 #include "chrome/browser/chromeos/drive/file_system/truncate_operation.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/sequenced_task_runner.h"
 #include "base/task_runner_util.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "chrome/browser/chromeos/drive/file_system/download_operation.h"
-#include "chrome/browser/chromeos/drive/file_system/operation_observer.h"
+#include "chrome/browser/chromeos/drive/file_system/operation_delegate.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace drive {
 namespace file_system {
 namespace {
 
 // Truncates the local file at |local_cache_path| to the |length| bytes,
@@ skipping 19 matching lines @@
   if (!file.SetLength(length))
     return FILE_ERROR_FAILED;
 
   return FILE_ERROR_OK;
 }
 
 }  // namespace
 
 TruncateOperation::TruncateOperation(
     base::SequencedTaskRunner* blocking_task_runner,
-    OperationObserver* observer,
+    OperationDelegate* delegate,
     JobScheduler* scheduler,
     internal::ResourceMetadata* metadata,
     internal::FileCache* cache,
     const base::FilePath& temporary_file_directory)
     : blocking_task_runner_(blocking_task_runner),
-      observer_(observer),
+      delegate_(delegate),
       metadata_(metadata),
       cache_(cache),
       download_operation_(new DownloadOperation(blocking_task_runner,
-                                                observer,
+                                                delegate,
                                                 scheduler,
                                                 metadata,
                                                 cache,
                                                 temporary_file_directory)),
       weak_ptr_factory_(this) {
 }
 
 TruncateOperation::~TruncateOperation() {
 }
 
@@ skipping 52 matching lines @@
           weak_ptr_factory_.GetWeakPtr(), entry->local_id(), callback));
 }
 
 void TruncateOperation::TruncateAfterTruncateOnBlockingPool(
     const std::string& local_id,
     const FileOperationCallback& callback,
     FileError error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
-  observer_->OnEntryUpdatedByOperation(local_id);
+  delegate_->OnEntryUpdatedByOperation(local_id);
 
   callback.Run(error);
 }
 
 }  // namespace file_system
 }  // namespace drive