[Sync] Move //sync to //components/sync.

sync/android/sync_jni_registrar.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 "sync/android/sync_jni_registrar.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_registrar.h"
-#include "base/macros.h"
-#include "sync/android/model_type_helper.h"
-
-namespace syncer {
-
-base::android::RegistrationMethod kSyncRegisteredMethods[] = {
-    {"ModelTypeHelper", RegisterModelTypeHelperJni},
-};
-
-bool RegisterSyncJni(JNIEnv* env) {
-  return base::android::RegisterNativeMethods(
-      env, kSyncRegisteredMethods, arraysize(kSyncRegisteredMethods));
-}
-
-}  // namespace syncer