WebSocket Pepper API: allow to close connection without code and reason

ppapi/utility/websocket/websocket_api.cc

Index: ppapi/utility/websocket/websocket_api.cc
diff --git a/ppapi/utility/websocket/websocket_api.cc b/ppapi/utility/websocket/websocket_api.cc
index db4e01aa36e592e3da11b4d47abe8acf0d042f23..26e2746a5d3f2752abedd22f5324dcfb1d5ae572 100644
--- a/ppapi/utility/websocket/websocket_api.cc
+++ b/ppapi/utility/websocket/websocket_api.cc
@@ -41,7 +41,7 @@ class WebSocketAPI::Implement : public WebSocket {
     return result;
   }
 
-  int32_t Close(uint16_t code, const Var& reason) {
+  int32_t Close(PP_WebSocketStatusCode code, const Var& reason) {
     CompletionCallback callback =
         callback_factory_.NewOptionalCallback(&Implement::DidClose);
     int32_t result = WebSocket::Close(code, reason, callback);
@@ -112,7 +112,7 @@ int32_t WebSocketAPI::Connect(const Var& url, const Var protocols[],
   return impl_->Connect(url, protocols, protocol_count);
 }
 
-int32_t WebSocketAPI::Close(uint16_t code, const Var& reason) {
+int32_t WebSocketAPI::Close(PP_WebSocketStatusCode code, const Var& reason) {
   return impl_->Close(code, reason);
 }