ppapi: PPB_VpnProvider: Define API

ppapi/proxy/resource_creation_proxy.cc

Index: ppapi/proxy/resource_creation_proxy.cc
diff --git a/ppapi/proxy/resource_creation_proxy.cc b/ppapi/proxy/resource_creation_proxy.cc
index 31b2cfd8461a549acd92cb5de15537a29d0cc07d..a6a7d049ce71e255b7c5b6a95b2497c00b093a9a 100644
--- a/ppapi/proxy/resource_creation_proxy.cc
+++ b/ppapi/proxy/resource_creation_proxy.cc
@@ -409,6 +409,10 @@ PP_Resource ResourceCreationProxy::CreateVideoSource(
   return (new VideoSourceResource(GetConnection(), instance))->GetReference();
 }
 
+PP_Resource ResourceCreationProxy::CreateVpnProvider(PP_Instance instance) {
+  return 0;
+}
+
 PP_Resource ResourceCreationProxy::CreateWebSocket(PP_Instance instance) {
   return (new WebSocketResource(GetConnection(), instance))->GetReference();
 }