Introduce a layering in the invalidation component as public and impl

components/invalidation/fake_invalidator.cc

Index: components/invalidation/fake_invalidator.cc
diff --git a/components/invalidation/fake_invalidator.cc b/components/invalidation/fake_invalidator.cc
deleted file mode 100644
index d82c3972e36173224a87dc9ad3246f62ac242858..0000000000000000000000000000000000000000
--- a/components/invalidation/fake_invalidator.cc
+++ /dev/null
@@ -1,69 +0,0 @@
-// 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/fake_invalidator.h"
-
-#include "components/invalidation/object_id_invalidation_map.h"
-
-namespace syncer {
-
-FakeInvalidator::FakeInvalidator() {}
-
-FakeInvalidator::~FakeInvalidator() {}
-
-bool FakeInvalidator::IsHandlerRegistered(InvalidationHandler* handler) const {
-  return registrar_.IsHandlerRegisteredForTest(handler);
-}
-
-ObjectIdSet FakeInvalidator::GetRegisteredIds(
-    InvalidationHandler* handler) const {
-  return registrar_.GetRegisteredIds(handler);
-}
-
-const std::string& FakeInvalidator::GetCredentialsEmail() const {
-  return email_;
-}
-
-const std::string& FakeInvalidator::GetCredentialsToken() const {
-  return token_;
-}
-
-void FakeInvalidator::EmitOnInvalidatorStateChange(InvalidatorState state) {
-  registrar_.UpdateInvalidatorState(state);
-}
-
-void FakeInvalidator::EmitOnIncomingInvalidation(
-    const ObjectIdInvalidationMap& invalidation_map) {
-  registrar_.DispatchInvalidationsToHandlers(invalidation_map);
-}
-
-void FakeInvalidator::RegisterHandler(InvalidationHandler* handler) {
-  registrar_.RegisterHandler(handler);
-}
-
-bool FakeInvalidator::UpdateRegisteredIds(InvalidationHandler* handler,
-                                          const ObjectIdSet& ids) {
-  return registrar_.UpdateRegisteredIds(handler, ids);
-}
-
-void FakeInvalidator::UnregisterHandler(InvalidationHandler* handler) {
-  registrar_.UnregisterHandler(handler);
-}
-
-InvalidatorState FakeInvalidator::GetInvalidatorState() const {
-  return registrar_.GetInvalidatorState();
-}
-
-void FakeInvalidator::UpdateCredentials(
-    const std::string& email, const std::string& token) {
-  email_ = email;
-  token_ = token;
-}
-
-void FakeInvalidator::RequestDetailedStatus(
-    base::Callback<void(const base::DictionaryValue&)> callback) const {
-  base::DictionaryValue value;
-  callback.Run(value);
-}
-}  // namespace syncer