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..c562f1f0467879367c4b58bbace8272d2c7db566
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+++ b/ppapi/thunk/ppb_vpn_provider_api.h
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+// 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& name,
+                       const PP_Var& id,
+                       const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t GetUnBindEvent(
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t SendPacket(
+      const PP_Var& packet,
+      const scoped_refptr<TrackedCallback>& callback) = 0;
+  virtual int32_t GetPacket(PP_Var* packet,
+                            const scoped_refptr<TrackedCallback>& callback) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_VPNPROVIDER_API_H_