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

ui/aura/mus/window_tree_client.cc

 // Copyright 2014 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/mus/window_tree_client.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 1817 matching lines @@
 void WindowTreeClient::SetExtendedHitArea(Window* window,
                                           const gfx::Insets& hit_area) {
   if (window_manager_client_) {
     float device_scale_factor = ScaleFactorForDisplay(window);
     window_manager_client_->SetExtendedHitArea(
         WindowMus::Get(window)->server_id(),
         gfx::ConvertInsetsToPixel(device_scale_factor, hit_area));
   }
 }
 
+void WindowTreeClient::LockCursor() {
+  if (window_manager_client_)
+    window_manager_client_->WmLockCursor();
+}
+
+void WindowTreeClient::UnlockCursor() {
+  if (window_manager_client_)
+    window_manager_client_->WmUnlockCursor();
+}
+
+void WindowTreeClient::SetCursorVisible(bool visible) {
+  if (window_manager_client_)
+    window_manager_client_->WmSetCursorVisible(visible);
+}
+
+void WindowTreeClient::SetGlobalOverrideCursor(
+    base::Optional<ui::CursorData> cursor) {
+  if (window_manager_client_)
+    window_manager_client_->WmSetGlobalOverrideCursor(std::move(cursor));
+}
+
 void WindowTreeClient::RequestClose(Window* window) {
   DCHECK(window);
   if (window_manager_client_)
     window_manager_client_->WmRequestClose(WindowMus::Get(window)->server_id());
 }
 
 void WindowTreeClient::OnWindowTreeHostBoundsWillChange(
     WindowTreeHostMus* window_tree_host,
     const gfx::Rect& bounds) {
   ScheduleInFlightBoundsChange(WindowMus::Get(window_tree_host->window()),
@@ skipping 228 matching lines @@
 }
 
 void WindowTreeClient::OnCompositingLockStateChanged(
     ui::Compositor* compositor) {}
 
 void WindowTreeClient::OnCompositingShuttingDown(ui::Compositor* compositor) {
   compositor->RemoveObserver(this);
 }
 
 }  // namespace aura