ppapi: PPB_VpnProvider: Define API

ppapi/thunk/ppb_vpn_provider_api.h

Index: ppapi/thunk/ppb_vpn_provider_api.h
diff --git a/ppapi/thunk/ppb_vpn_provider_api.h b/ppapi/thunk/ppb_vpn_provider_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..7153afb02c651118bb412091a637a7ab56da6b12
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+++ b/ppapi/thunk/ppb_vpn_provider_api.h
@@ -0,0 +1,31 @@
+// 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 PPAPI_THUNK_PPB_VPNPROVIDER_API_H_
+#define PPAPI_THUNK_PPB_VPNPROVIDER_API_H_
+
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_VpnProvider_API {
+ public:
+  virtual ~PPB_VpnProvider_API() {}
+
+  virtual int32_t Bind(const PP_Var& configuration_id,
+                       const PP_Var& configuration_name,
+                       const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t SendPacket(
+      const PP_Var& packet,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t ReceivePacket(
+      PP_Var* packet,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_VPNPROVIDER_API_H_