Persist Instance ID data to GCM store.

components/gcm_driver/fake_gcm_client.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/gcm_driver/fake_gcm_client.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 119 matching lines @@
 
 void FakeGCMClient::RemoveAccountMapping(const std::string& account_id) {
 }
 
 void FakeGCMClient::SetLastTokenFetchTime(const base::Time& time) {
 }
 
 void FakeGCMClient::UpdateHeartbeatTimer(scoped_ptr<base::Timer> timer) {
 }
 
+void FakeGCMClient::AddInstanceIDData(const std::string& app_id,
+                                      const std::string& instance_id_data) {
+}
+
+void FakeGCMClient::RemoveInstanceIDData(const std::string& app_id) {
+}
+
+std::string FakeGCMClient::GetInstanceIDData(const std::string& app_id) {
+  return std::string();
+}
+
 void FakeGCMClient::PerformDelayedStart() {
   DCHECK(ui_thread_->RunsTasksOnCurrentThread());
 
   io_thread_->PostTask(
       FROM_HERE,
       base::Bind(&FakeGCMClient::DoStart, weak_ptr_factory_.GetWeakPtr()));
 }
 
 void FakeGCMClient::ReceiveMessage(const std::string& app_id,
                                    const IncomingMessage& message) {
@@ skipping 100 matching lines @@
     delegate_->OnMessageSendError(app_id, send_error_details);
 }
 
 void FakeGCMClient::SendAcknowledgement(const std::string& app_id,
                                         const std::string& message_id) {
   if (delegate_)
     delegate_->OnSendAcknowledged(app_id, message_id);
 }
 
 }  // namespace gcm