Add an asynchronous version of the Flash DeviceID API.

ppapi/thunk/ppb_flash_device_id_thunk.cc

Index: ppapi/thunk/ppb_flash_device_id_thunk.cc
diff --git a/ppapi/thunk/ppb_flash_device_id_thunk.cc b/ppapi/thunk/ppb_flash_device_id_thunk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9275648502749d3b6220818f4b419bc1f3cced0c
--- /dev/null
+++ b/ppapi/thunk/ppb_flash_device_id_thunk.cc
@@ -0,0 +1,44 @@
+// 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.
+
+#include "ppapi/c/private/ppb_flash_device_id.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/thunk.h"
+#include "ppapi/thunk/ppb_flash_device_id_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Resource Create(PP_Instance instance) {
+  EnterResourceCreation enter(instance);
+  if (enter.failed())
+    return 0;
+  return enter.functions()->CreateFlashDeviceID(instance);
+}
+
+int32_t GetDeviceID(PP_Resource resource,
+                    PP_Var* id,
+                    PP_CompletionCallback callback) {
+  EnterResource<PPB_Flash_DeviceID_API> enter(resource, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->GetDeviceID(id, callback));
+}
+
+const PPB_Flash_DeviceID g_ppb_flash_deviceid_thunk = {
+  &Create,
+  &GetDeviceID
+};
+
+}  // namespace
+
+const PPB_Flash_DeviceID_1_0* GetPPB_Flash_DeviceID_1_0_Thunk() {
+  return &g_ppb_flash_deviceid_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi