mus: Move event_matcher_util.h/cc into components/mus/common

components/mus/ws/event_dispatcher_unittest.cc

 // Copyright 2015 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 "components/mus/ws/event_dispatcher.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <queue>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "components/mus/public/cpp/event_matcher_util.h"
+#include "components/mus/common/event_matcher_util.h"
 #include "components/mus/ws/accelerator.h"
 #include "components/mus/ws/event_dispatcher_delegate.h"
 #include "components/mus/ws/server_window.h"
 #include "components/mus/ws/server_window_surface_manager_test_api.h"
 #include "components/mus/ws/test_server_window_delegate.h"
 #include "components/mus/ws/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event.h"
 
 namespace mus {
@@ skipping 1479 matching lines @@
 
   // Remove the last remaining system modal window. There should be no active
   // one anymore.
   w3.reset();
   EXPECT_EQ(nullptr, GetActiveSystemModalWindow());
 }
 
 }  // namespace test
 }  // namespace ws
 }  // namespace mus