allow unit_tests to re-create service manager context.

content/browser/child_process_launcher_helper_android.cc

 // Copyright 2017 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 "content/browser/child_process_launcher_helper.h"
 
 #include <memory>
 
 #include "base/android/apk_assets.h"
 #include "base/i18n/icu_util.h"
@@ skipping 152 matching lines @@
 }
 
 // static
 void ChildProcessLauncherHelper::SetRegisteredFilesForService(
     const std::string& service_name,
     catalog::RequiredFileMap required_files) {
   SetFilesToShareForServicePosix(service_name, std::move(required_files));
 }
 
 // static
+void ChildProcessLauncherHelper::ResetRegisteredFilesForTesting() {
+  ResetFilesToShareForTestingPosix();
+}
+
+// static
 base::File OpenFileToShare(const base::FilePath& path,
                            base::MemoryMappedFile::Region* region) {
   return base::File(base::android::OpenApkAsset(path.value(), region));
 }
 
 }  // namespace internal
 }  // namespace content