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

services/ui/ws/window_tree.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 "services/ui/ws/window_tree.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 2289 matching lines @@
   DCHECK(window_manager_state_);
   ServerWindow* window = GetWindowByClientId(ClientWindowId(window_id));
   if (!window) {
     DVLOG(1) << "WmSetNonClientCursor failed (invalid window id)";
     return;
   }
 
   window->SetNonClientCursor(std::move(cursor));
 }
 
+void WindowTree::WmLockCursor() {
+  DCHECK(window_manager_state_);
+  window_manager_state_->cursor_state().LockCursor();
+}
+
+void WindowTree::WmUnlockCursor() {
+  DCHECK(window_manager_state_);
+  window_manager_state_->cursor_state().UnlockCursor();
+}
+
+void WindowTree::WmSetCursorVisible(bool visible) {
+  DCHECK(window_manager_state_);
+  window_manager_state_->cursor_state().SetCursorVisible(visible);
+}
+
+void WindowTree::WmSetGlobalOverrideCursor(
+    base::Optional<ui::CursorData> cursor) {
+  DCHECK(window_manager_state_);
+  window_manager_state_->cursor_state().SetGlobalOverrideCursor(cursor);
+}
+
 void WindowTree::OnWmCreatedTopLevelWindow(uint32_t change_id,
                                            Id transport_window_id) {
   ServerWindow* window =
       GetWindowByClientId(ClientWindowId(transport_window_id));
   if (window && window->id().client_id != id_) {
     DVLOG(1) << "OnWmCreatedTopLevelWindow failed (invalid window id)";
     window_server_->WindowManagerSentBogusMessage();
     window = nullptr;
   }
   if (window) {
@@ skipping 163 matching lines @@
   client()->OnCompleteDrop(client_window_id.id, event_flags, cursor_offset,
                            effect_bitmask, callback);
 }
 
 void WindowTree::PerformOnDragDropDone() {
   client()->OnDragDropDone();
 }
 
 }  // namespace ws
 }  // namespace ui