Pointer watcher modifications to support laser pointer.

ash/sysui/pointer_watcher_delegate_mus.cc

 // 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.
 
 #include "ash/sysui/pointer_watcher_delegate_mus.h"
 
 #include "ui/views/mus/window_manager_connection.h"
 
 namespace ash {
 
 PointerWatcherDelegateMus::PointerWatcherDelegateMus() {}
 
 PointerWatcherDelegateMus::~PointerWatcherDelegateMus() {}
 
 void PointerWatcherDelegateMus::AddPointerWatcher(
-    views::PointerWatcher* watcher) {
+    views::PointerWatcher* watcher,
+    bool wants_moves /* =false */) {
   views::WindowManagerConnection::Get()->AddPointerWatcher(
       watcher, false /* want_moves */);
 }
 
 void PointerWatcherDelegateMus::RemovePointerWatcher(
     views::PointerWatcher* watcher) {
   views::WindowManagerConnection::Get()->RemovePointerWatcher(watcher);
 }
 
 }  // namespace ash