Introduce a layering in the invalidation component as public and impl

components/invalidation/android/component_jni_registrar.cc

-// Copyright 2014 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/invalidation/android/component_jni_registrar.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_registrar.h"
-#include "base/basictypes.h"
-#include "components/invalidation/invalidation_service_android.h"
-
-namespace invalidation {
-
-namespace android {
-
-static base::android::RegistrationMethod kInvalidationRegisteredMethods[] = {
-    {"InvalidationService",
-        invalidation::InvalidationServiceAndroid::RegisterJni},
-};
-
-bool RegisterInvalidationJni(JNIEnv* env) {
-  return base::android::RegisterNativeMethods(
-      env,
-      kInvalidationRegisteredMethods,
-      arraysize(kInvalidationRegisteredMethods));
-}
-
-}  // namespace android
-
-}  // namespace invalidation