Add a private PPB_Talk_Private interface.

ppapi/thunk/ppb_talk_private_thunk.cc

Index: ppapi/thunk/ppb_talk_private_thunk.cc
diff --git a/ppapi/thunk/ppb_talk_private_thunk.cc b/ppapi/thunk/ppb_talk_private_thunk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3e3775c4af0f9b09720fe41f552cddad4be9b772
--- /dev/null
+++ b/ppapi/thunk/ppb_talk_private_thunk.cc
@@ -0,0 +1,43 @@
+// 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/pp_errors.h"
+#include "ppapi/c/private/ppb_talk_private.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_talk_private_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Resource Create(PP_Instance instance) {
+  EnterResourceCreation enter(instance);
+  if (enter.failed())
+    return 0;
+  return enter.functions()->CreateTalk(instance);
+}
+
+int32_t GetPermission(PP_Resource resource,
+                      PP_CompletionCallback callback) {
+  EnterResource<PPB_Talk_Private_API> enter(resource, true);
+  if (enter.failed())
+    return PP_ERROR_BADRESOURCE;
+  return enter.object()->GetPermission(callback);
+}
+
+const PPB_Talk_Private_1_0 g_ppb_talk_private_thunk = {
+  &Create,
+  &GetPermission
+};
+
+}  // namespace
+
+const PPB_Talk_Private_1_0* GetPPB_Talk_Private_1_0_Thunk() {
+  return &g_ppb_talk_private_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi