Add an asynchronous version of the Flash DeviceID API.

ppapi/proxy/ppb_flash_device_id_proxy.h

Index: ppapi/proxy/ppb_flash_device_id_proxy.h
diff --git a/ppapi/proxy/ppb_flash_device_id_proxy.h b/ppapi/proxy/ppb_flash_device_id_proxy.h
new file mode 100644
index 0000000000000000000000000000000000000000..58b15df0e36c1c81d123d3a768eaf6c57e4e4734
--- /dev/null
+++ b/ppapi/proxy/ppb_flash_device_id_proxy.h
@@ -0,0 +1,39 @@
+// Copyright (c) 2012 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 PPAPI_PROXY_PPB_FLASH_DEVICE_ID_PROXY_H_
+#define PPAPI_PROXY_PPB_FLASH_DEVICE_ID_PROXY_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+namespace ppapi {
+namespace proxy {
+
+class PPB_Flash_DeviceID_Proxy : public InterfaceProxy {
+ public:
+  PPB_Flash_DeviceID_Proxy(Dispatcher* dispatcher);
+  virtual ~PPB_Flash_DeviceID_Proxy();
+
+  static PP_Resource CreateProxyResource(PP_Instance instance);
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+  static const ApiID kApiID = API_ID_PPB_FLASH_DEVICE_ID;
+
+ private:
+  void OnPluginMsgGetReply(int32 routing_id,
+                           PP_Resource resource,
+                           int32 result,
+                           const std::string& id);
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Flash_DeviceID_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_PPB_FLASH_DEVICE_ID_PROXY_H_
+