Use OnceCallback on Mojo interfaces in //content

content/public/test/test_service.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 "content/public/test/test_service.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 19 matching lines @@
   registry_.BindInterface(source_info, interface_name,
                           std::move(interface_pipe));
 }
 
 void TestService::Create(const service_manager::BindSourceInfo& source_info,
                          mojom::TestServiceRequest request) {
   DCHECK(!service_binding_.is_bound());
   service_binding_.Bind(std::move(request));
 }
 
-void TestService::DoSomething(const DoSomethingCallback& callback) {
-  callback.Run();
+void TestService::DoSomething(DoSomethingCallback callback) {
+  std::move(callback).Run();
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
-void TestService::DoTerminateProcess(
-    const DoTerminateProcessCallback& callback) {
+void TestService::DoTerminateProcess(DoTerminateProcessCallback callback) {
   NOTREACHED();
 }
 
-void TestService::CreateFolder(const CreateFolderCallback& callback) {
+void TestService::CreateFolder(CreateFolderCallback callback) {
   NOTREACHED();
 }
 
-void TestService::GetRequestorName(const GetRequestorNameCallback& callback) {
-  callback.Run(requestor_name_);
+void TestService::GetRequestorName(GetRequestorNameCallback callback) {
+  std::move(callback).Run(requestor_name_);
 }
 
-void TestService::CreateSharedBuffer(
-    const std::string& message,
-    const CreateSharedBufferCallback& callback) {
+void TestService::CreateSharedBuffer(const std::string& message,
+                                     CreateSharedBufferCallback callback) {
   NOTREACHED();
 }
 
 }  // namespace content