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

components/mus/common/event_matcher_util.h

Index: components/mus/common/event_matcher_util.h
diff --git a/components/mus/public/cpp/event_matcher_util.h b/components/mus/common/event_matcher_util.h
similarity index 62%
rename from components/mus/public/cpp/event_matcher_util.h
rename to components/mus/common/event_matcher_util.h
index d2977f132b1ec6aa789d99b776c92e554b208867..c271dfc4622049f6540730c62883f4c78c37e631 100644
--- a/components/mus/public/cpp/event_matcher_util.h
+++ b/components/mus/common/event_matcher_util.h
@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_MUS_PUBLIC_CPP_EVENT_MATCHER_UTIL_H_
-#define COMPONENTS_MUS_PUBLIC_CPP_EVENT_MATCHER_UTIL_H_
+#ifndef COMPONENTS_MUS_COMMON_EVENT_MATCHER_UTIL_H_
+#define COMPONENTS_MUS_COMMON_EVENT_MATCHER_UTIL_H_
 
+#include "components/mus/common/mus_common_export.h"
 #include "components/mus/public/interfaces/event_matcher.mojom.h"
 #include "components/mus/public/interfaces/input_event_constants.mojom.h"
 #include "components/mus/public/interfaces/input_key_codes.mojom.h"
@@ -13,8 +14,9 @@ namespace mus {
 
 // |flags| is a bitfield of kEventFlag* and kMouseEventFlag* values in
 // input_event_constants.mojom.
-mojom::EventMatcherPtr CreateKeyMatcher(mojom::KeyboardCode code, int flags);
+mojom::EventMatcherPtr MUS_COMMON_EXPORT
+CreateKeyMatcher(mojom::KeyboardCode code, int flags);
 
 }  // namespace mus
 
-#endif  // COMPONENTS_MUS_PUBLIC_CPP_EVENT_MATCHER_UTIL_H_
+#endif  // COMPONENTS_MUS_COMMON_EVENT_MATCHER_UTIL_H_