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

services/ui/ws/window_manager_state.h

 // Copyright 2016 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.
 
 #ifndef SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_
 #define SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <queue>
 #include <string>
 #include <unordered_map>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "services/ui/public/interfaces/display_manager.mojom.h"
+#include "services/ui/ws/cursor_state.h"
 #include "services/ui/ws/event_dispatcher.h"
 #include "services/ui/ws/event_dispatcher_delegate.h"
 #include "services/ui/ws/server_window_observer.h"
 #include "services/ui/ws/user_id.h"
 #include "services/ui/ws/window_server.h"
 
 namespace ui {
 namespace ws {
 
 class DisplayManager;
@@ skipping 54 matching lines @@
 
   // Returns the ServerWindow corresponding to an orphaned root with the
   // specified id. See |orphaned_window_manager_display_roots_| for details on
   // what on orphaned root is.
   ServerWindow* GetOrphanedRootWithId(const WindowId& id);
 
   // TODO(sky): EventDispatcher is really an implementation detail and should
   // not be exposed.
   EventDispatcher* event_dispatcher() { return &event_dispatcher_; }
 
+  CursorState& cursor_state() { return cursor_state_; }
+
   // Returns true if this is the WindowManager of the active user.
   bool IsActive() const;
 
   void Activate(const gfx::Point& mouse_location_on_screen);
   void Deactivate();
 
   // Processes an event from PlatformDisplay.
   void ProcessEvent(const Event& event, int64_t display_id);
 
  private:
@@ skipping 185 matching lines @@
   // Id of the display the current event being processed originated from.
   int64_t event_processing_display_id_ = 0;
 
   // Set of WindowManagerDisplayRoots corresponding to Displays that have been
   // destroyed. WindowManagerDisplayRoots are not destroyed immediately when
   // the Display is destroyed to allow the client to destroy the window when it
   // wants to. Once the client destroys the window WindowManagerDisplayRoots is
   // destroyed.
   WindowManagerDisplayRoots orphaned_window_manager_display_roots_;
 
+  // All state regarding what the current cursor is.
+  CursorState cursor_state_;
+
   DISALLOW_COPY_AND_ASSIGN(WindowManagerState);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_