Rename KeyLock to KeyboardLock and return enum from IPC

content/browser/keyboard_lock/keyboard_lock_service_impl.cc

 // Copyright 2017 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/browser/keyboard_lock/keyboard_lock_service_impl.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "content/public/browser/render_frame_host.h"
 
 namespace content {
 
 KeyboardLockServiceImpl::KeyboardLockServiceImpl() = default;
 
 KeyboardLockServiceImpl::~KeyboardLockServiceImpl() = default;
 
 // static
 void KeyboardLockServiceImpl::CreateMojoService(
     blink::mojom::KeyboardLockServiceRequest request) {
   mojo::MakeStrongBinding(
         base::MakeUnique<KeyboardLockServiceImpl>(),
         std::move(request));
 }
 
-void KeyboardLockServiceImpl::RequestKeyLock(
+void KeyboardLockServiceImpl::RequestKeyboardLock(
     const std::vector<std::string>& key_codes,
-    const RequestKeyLockCallback& callback) {
+    const RequestKeyboardLockCallback& callback) {
   // TODO(zijiehe): Implementation required.
-  callback.Run(true, std::string());
+  callback.Run(blink::mojom::KeyboardLockRequestResult::SUCCESS);
 }
 
-void KeyboardLockServiceImpl::CancelKeyLock() {
+void KeyboardLockServiceImpl::CancelKeyboardLock() {
   // TODO(zijiehe): Implementation required.
 }
 
 }  // namespace content