Unit tests for importing prefs from the Java side implemented

components/variations/android/variations_seed_bridge_test.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/variations/android/variations_seed_bridge_test.h"
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "jni/VariationsSeedBridgeTest_jni.h"
+
+using base::android::AttachCurrentThread;
+using base::android::GetApplicationContext;
+
+namespace variations {
+namespace android {
+
+bool RegisterVariationsSeedBridgeTest(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+void SetTestData() {
+  JNIEnv* env = AttachCurrentThread();
+  Java_VariationsSeedBridgeTest_setTestData(env, GetApplicationContext());
+}
+
+}  // namespace android
+}  // namespace variations