Multiprocess test client: Android child process launcher rework.

base/test/android/test_support_jni_registrar.h

+// 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.
+
+#ifndef BASE_TEST_ANDROID_TEST_SUPPORT_JNI_REGISTRAR_H_
+#define BASE_TEST_ANDROID_TEST_SUPPORT_JNI_REGISTRAR_H_
+
+#include <jni.h>
+
+#include "base/base_export.h"
+
+namespace base {
+namespace android {
+
+// Registers all JNI bindings necessary for base test support.
+BASE_EXPORT bool RegisterTestSupportJni(JNIEnv* env);
+
+}  // namespace android
+}  // namespace base
+
+#endif  // BASE_TEST_ANDROID_TEST_SUPPORT_JNI_REGISTRAR_H_