[Chromecast] Add method to CastCdm for the session expiration updating.

components/gcm_driver/instance_id/instance_id_driver.cc

 // Copyright 2015 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/instance_id/instance_id_driver.h"
 
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 #include "components/gcm_driver/gcm_driver.h"
 #include "components/gcm_driver/instance_id/instance_id.h"
+#include "components/gcm_driver/instance_id/instance_id_factory.h"
 
 namespace instance_id {
 
 namespace {
 const char kInstanceIDFieldTrialName[] = "InstanceID";
 const char kInstanceIDFieldTrialDisabledGroupPrefix[] = "Disabled";
 }  // namespace
 
 // static
 bool InstanceIDDriver::IsInstanceIDEnabled() {
   std::string group_name =
       base::FieldTrialList::FindFullName(kInstanceIDFieldTrialName);
   return !base::StartsWith(group_name, kInstanceIDFieldTrialDisabledGroupPrefix,
                            base::CompareCase::INSENSITIVE_ASCII);
 }
 
-InstanceIDDriver::InstanceIDDriver(gcm::GCMDriver* gcm_driver)
-    : gcm_driver_(gcm_driver) {
+InstanceIDDriver::InstanceIDDriver(gcm::GCMDriver* gcm_driver,
+                                   InstanceIDFactory* factory)
+    : gcm_driver_(gcm_driver), factory_(factory) {
+  DCHECK(factory_);
 }
 
 InstanceIDDriver::~InstanceIDDriver() {
 }
 
 InstanceID* InstanceIDDriver::GetInstanceID(const std::string& app_id) {
   auto iter = instance_id_map_.find(app_id);
   if (iter != instance_id_map_.end())
     return iter->second.get();
 
   std::unique_ptr<InstanceID> instance_id =
-      InstanceID::CreateInternal(app_id, gcm_driver_);
+      factory_->Create(app_id, gcm_driver_);
   InstanceID* instance_id_ptr = instance_id.get();
   instance_id_map_.insert(std::make_pair(app_id, std::move(instance_id)));
   return instance_id_ptr;
 }
 
 void InstanceIDDriver::RemoveInstanceID(const std::string& app_id) {
   instance_id_map_.erase(app_id);
 }
 
 bool InstanceIDDriver::ExistsInstanceID(const std::string& app_id) const {
   return instance_id_map_.find(app_id) != instance_id_map_.end();
 }
 
 }  // namespace instance_id