Add {Lock,Unlock,Show,Hide}Cursor() to the window manager mojom.

ui/aura/test/mus/test_window_manager_client.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 "ui/aura/test/mus/test_window_manager_client.h"
 
 namespace aura {
 
 TestWindowManagerClient::TestWindowManagerClient() {}
 
@@ skipping 39 matching lines @@
 
 void TestWindowManagerClient::WmRequestClose(Id transport_window_id) {}
 
 void TestWindowManagerClient::WmSetFrameDecorationValues(
     ui::mojom::FrameDecorationValuesPtr values) {}
 
 void TestWindowManagerClient::WmSetNonClientCursor(uint32_t window_id,
                                                    ui::CursorData cursor_data) {
 }
 
+void TestWindowManagerClient::WmLockCursor() {}
+
+void TestWindowManagerClient::WmUnlockCursor() {}
+
+void TestWindowManagerClient::WmSetCursorVisible(bool visible) {}
+
+void TestWindowManagerClient::WmSetGlobalOverrideCursor(
+    base::Optional<ui::CursorData> cursor) {}
+
 void TestWindowManagerClient::OnWmCreatedTopLevelWindow(
     uint32_t change_id,
     Id transport_window_id) {}
 
 void TestWindowManagerClient::OnAcceleratorAck(
     uint32_t event_id,
     ui::mojom::EventResult result,
     const std::unordered_map<std::string, std::vector<uint8_t>>& properties) {}
 
 }  // namespace aura