1 files changed, 39 insertions, 0 deletions
diff --git a/components/gcm_driver/instance_id/instance_id_driver.h b/components/gcm_driver/instance_id/instance_id_driver.h
new file mode 100644
index 0000000..73d05b0
--- /dev/null
+++ b/components/gcm_driver/instance_id/instance_id_driver.h
@@ -0,0 +1,39 @@
+// 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.
+
+#ifndef COMPONENTS_GCM_DRIVER_INSTANCE_ID_INSTANCE_ID_DRIVER_H_
+#define COMPONENTS_GCM_DRIVER_INSTANCE_ID_INSTANCE_ID_DRIVER_H_
+
+#include <map>
+#include <string>
+
+#include "base/macros.h"
+#include "base/stl_util.h"
+
+namespace instance_id {
+
+class InstanceID;
+
+// Bridge between Instance ID users in Chrome and the platform-specific
+// implementation.
+class InstanceIDDriver {
+ public:
+  InstanceIDDriver();
+  ~InstanceIDDriver();
+
+  // Returns the InstanceID that provides the Instance ID service for the given
+  // application. The lifetime of InstanceID will be managed by this class.
+  InstanceID* GetInstanceID(const std::string& app_id);
+
+ private:
+  typedef std::map<std::string, InstanceID*> InstanceIDMap;
+  InstanceIDMap instance_id_map_;
+  STLValueDeleter<InstanceIDMap> instance_id_map_deleter_;
+
+  DISALLOW_COPY_AND_ASSIGN(InstanceIDDriver);
+};
+
+}  // namespace instance_id
+
+#endif  // COMPONENTS_GCM_DRIVER_INSTANCE_ID_INSTANCE_ID_DRIVER_H_