Rename KeyLock to KeyboardLock and return enum from IPC

content/browser/keyboard_lock/keyboard_lock_service_impl.cc

Index: content/browser/keyboard_lock/keyboard_lock_service_impl.cc
diff --git a/content/browser/keyboard_lock/keyboard_lock_service_impl.cc b/content/browser/keyboard_lock/keyboard_lock_service_impl.cc
index 46ad8c8356e88b63d3f8b0fc4efdbbe501ec72ef..727bd49aee91f9acb14878571be3b2bd07b3ced6 100644
--- a/content/browser/keyboard_lock/keyboard_lock_service_impl.cc
+++ b/content/browser/keyboard_lock/keyboard_lock_service_impl.cc
@@ -24,14 +24,14 @@ void KeyboardLockServiceImpl::CreateMojoService(
         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.
 }