Include-what-you-use for WrapUnique/MakeUnique.

ui/views/mus/pointer_watcher_event_router2_unittest.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 "ui/views/mus/pointer_watcher_event_router2.h"
 
 #include <memory>
 
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/test/mus/window_tree_client_private.h"
 #include "ui/events/event.h"
 #include "ui/views/mus/mus_client.h"
 #include "ui/views/pointer_watcher.h"
 #include "ui/views/test/scoped_views_test_helper.h"
 
 namespace views {
 namespace {
@@ skipping 213 matching lines @@
   watcher2.Reset();
 
   // Removing the last PointerWatcher stops sending events to it.
   pointer_watcher_event_router->RemovePointerWatcher(&watcher2);
   OnPointerEventObserved(pointer_event_move);
   EXPECT_FALSE(watcher1.last_event_observed());
   EXPECT_FALSE(watcher2.last_event_observed());
 }
 
 }  // namespace views