favor DCHECK_CURRENTLY_ON for better logs in chrome/browser/chromeos/

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

 // Copyright 2015 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/set_property_operation.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
@@ skipping 72 matching lines @@
 
 SetPropertyOperation::~SetPropertyOperation() {
 }
 
 void SetPropertyOperation::SetProperty(
     const base::FilePath& file_path,
     google_apis::drive::Property::Visibility visibility,
     const std::string& key,
     const std::string& value,
     const FileOperationCallback& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!callback.is_null());
 
   ResourceEntry* entry = new ResourceEntry;
   base::PostTaskAndReplyWithResult(
       blocking_task_runner_.get(), FROM_HERE,
       base::Bind(&UpdateLocalState, metadata_, file_path, visibility, key,
                  value, entry),
       base::Bind(&SetPropertyOperation::SetPropertyAfterUpdateLocalState,
                  weak_ptr_factory_.GetWeakPtr(), callback, base::Owned(entry)));
 }
 
 void SetPropertyOperation::SetPropertyAfterUpdateLocalState(
     const FileOperationCallback& callback,
     const ResourceEntry* entry,
     FileError result) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!callback.is_null());
 
   if (result == FILE_ERROR_OK) {
     // Do not notify about the file change, as properties are write only and
     // cannot be read, so there is no visible change.
     delegate_->OnEntryUpdatedByOperation(ClientContext(USER_INITIATED),
                                          entry->local_id());
   }
 
   // Even if exists, return success, as the set property operation always
   // overwrites existing values.
   callback.Run(result == FILE_ERROR_EXISTS ? FILE_ERROR_OK : result);
 }
 
 }  // namespace file_system
 }  // namespace drive