1 files changed, 40 insertions, 0 deletions
diff --git a/chromium/components/gcm_driver/instance_id/instance_id_driver.cc b/chromium/components/gcm_driver/instance_id/instance_id_driver.cc
new file mode 100644
index 00000000000..52756898a77
--- /dev/null
+++ b/chromium/components/gcm_driver/instance_id/instance_id_driver.cc
@@ -0,0 +1,40 @@
+// 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 "build/build_config.h"
+#include "components/gcm_driver/gcm_driver.h"
+#include "components/gcm_driver/instance_id/instance_id.h"
+
+namespace instance_id {
+
+InstanceIDDriver::InstanceIDDriver(gcm::GCMDriver* gcm_driver)
+    : gcm_driver_(gcm_driver) {
+}
+
+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_);
+  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