Implement cursor compositing mode on Ash

ui/views/widget/desktop_aura/desktop_native_cursor_manager.cc

 // Copyright (c) 2012 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/views/widget/desktop_aura/desktop_native_cursor_manager.h"
 
 #include "ui/aura/root_window.h"
 #include "ui/base/cursor/cursor_loader.h"
 #include "ui/views/widget/desktop_aura/desktop_cursor_loader_updater.h"
 
@@ skipping 99 matching lines @@
 
   SetVisibility(delegate->IsCursorVisible(), delegate);
 
   for (RootWindows::const_iterator i = root_windows_.begin();
        i != root_windows_.end();
        ++i) {
     (*i)->OnMouseEventsEnableStateChanged(enabled);
   }
 }
 
+void DesktopNativeCursorManager::SetNativeCursorEnabled(
+    bool enabled,
+    views::corewm::NativeCursorManagerDelegate* delegate) {
+  NOTIMPLEMENTED();
+}
+
 }  // namespace views