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

mash/browser_driver/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/repack.gni")
 
 source_set("lib") {
   sources = [
     "browser_driver_application_delegate.cc",
     "browser_driver_application_delegate.h",
   ]
 
   deps = [
     "//base",
-    "//components/mus/public/cpp",
+    "//components/mus/common:mus_common",
     "//components/mus/public/interfaces",
     "//mash/public/interfaces",
     "//services/shell/public/cpp:sources",
   ]
 
   data_deps = [
     "//components/mus",
   ]
 }
 
@@ skipping 12 matching lines @@
 
   data_deps = [
     ":manifest",
   ]
 }
 
 mojo_application_manifest("manifest") {
   application_name = "browser_driver"
   source = "manifest.json"
 }