Introduce a layering in the invalidation component as public and impl

components/invalidation/profile_invalidation_provider.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/profile_invalidation_provider.h"
-
-#include "components/invalidation/invalidation_service.h"
-
-namespace invalidation {
-
-ProfileInvalidationProvider::ProfileInvalidationProvider(
-    scoped_ptr<InvalidationService> invalidation_service)
-    : invalidation_service_(invalidation_service.Pass()) {
-}
-
-ProfileInvalidationProvider::~ProfileInvalidationProvider() {
-}
-
-InvalidationService* ProfileInvalidationProvider::GetInvalidationService() {
-  return invalidation_service_.get();
-}
-
-void ProfileInvalidationProvider::Shutdown() {
-  invalidation_service_.reset();
-}
-
-}  // namespace invalidation