Make it possible to launch chrome --mash with ozone_platform={wayland|x11}, chromeos=0

chrome/browser/ui/views/tabs/window_finder_ozone.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright (c) 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 <set>
+#include <vector>
+
 #include "chrome/browser/ui/views/tabs/window_finder.h"
 
-#include "ui/aura/window.h"
-
-gfx::NativeWindow GetLocalProcessWindowAtPointAsh(
-    const gfx::Point& screen_point,
-    const std::set<gfx::NativeWindow>& ignore);
-
 gfx::NativeWindow WindowFinder::GetLocalProcessWindowAtPoint(
     const gfx::Point& screen_point,
     const std::set<gfx::NativeWindow>& ignore) {
-  return GetLocalProcessWindowAtPointAsh(screen_point, ignore);
+  NOTREACHED() << "This should never be reached, but we need "
+               << "a stub implementation to link.";
+  return nullptr;
 }