[Sync] Introduce GmsCoreSyncListener.

sync/test/fake_server/fake_server.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 "sync/test/fake_server/fake_server.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 151 matching lines @@
 }  // namespace
 
 FakeServer::FakeServer() : version_(0),
                            store_birthday_(0),
                            authenticated_(true),
                            error_type_(sync_pb::SyncEnums::SUCCESS),
                            alternate_triggered_errors_(false),
                            request_counter_(0),
                            network_enabled_(true),
                            weak_ptr_factory_(this) {
+  Init();
+}
+
+FakeServer::~FakeServer() {}
+
+void FakeServer::Init() {
   keystore_keys_.push_back(kDefaultKeystoreKey);
 
   const bool create_result = CreateDefaultPermanentItems();
   DCHECK(create_result) << "Permanent items were not created successfully.";
 }
 
-FakeServer::~FakeServer() {}
-
 bool FakeServer::CreatePermanentBookmarkFolder(const std::string& server_tag,
                                                const std::string& name) {
   DCHECK(thread_checker_.CalledOnValidThread());
   scoped_ptr<FakeServerEntity> entity =
       PermanentEntity::Create(syncer::BOOKMARKS, server_tag, name,
                               ModelTypeToRootTag(syncer::BOOKMARKS));
   if (!entity)
     return false;
 
   SaveEntity(entity.Pass());
@@ skipping 393 matching lines @@
   UpdateEntityVersion(entity.get());
   entities_.insert(id, entity.Pass());
   return true;
 }
 
 void FakeServer::ClearServerData() {
   DCHECK(thread_checker_.CalledOnValidThread());
   entities_.clear();
   keystore_keys_.clear();
   ++store_birthday_;
+  Init();
 }
 
 void FakeServer::SetAuthenticated() {
   DCHECK(thread_checker_.CalledOnValidThread());
   authenticated_ = true;
 }
 
 void FakeServer::SetUnauthenticated() {
   DCHECK(thread_checker_.CalledOnValidThread());
   authenticated_ = false;
@@ skipping 93 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 std::string FakeServer::GetStoreBirthday() const {
   DCHECK(thread_checker_.CalledOnValidThread());
   return base::Int64ToString(store_birthday_);
 }
 
 }  // namespace fake_server