Refactor WindowFinder definition

chrome/browser/ui/views/tabs/window_finder_win.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 "chrome/browser/ui/views/tabs/window_finder.h"
 
 #include <shobjidl.h>
 
 #include "base/macros.h"
 #include "base/win/scoped_gdi_object.h"
 #include "base/win/windows_version.h"
+#include "chrome/browser/ui/views/tabs/window_finder_mus.h"
 #include "ui/aura/window.h"
 #include "ui/display/win/screen_win.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 #include "ui/views/win/hwnd_util.h"
 
 namespace {
 
 // BaseWindowFinder -----------------------------------------------------------
 
 // Base class used to locate a window. This is intended to be used with the
@@ skipping 206 matching lines @@
       hwnd_set.insert(w);
   }
   return hwnd_set;
 }
 
 }  // namespace
 
 gfx::NativeWindow WindowFinder::GetLocalProcessWindowAtPoint(
     const gfx::Point& screen_point,
     const std::set<gfx::NativeWindow>& ignore) {
+  gfx::NativeWindow mus_result;

[sky, 2016/10/31 22:43:46]

= null on these.

[tonikitoo, 2016/10/31 23:39:37]

Done.

+  if (GetLocalProcessWindowAtPointMus(screen_point, ignore, &mus_result))
+    return mus_result;
+
   return LocalProcessWindowFinder::GetProcessWindowAtPoint(
       screen_point, RemapIgnoreSet(ignore));
 }