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

ppapi/utility/websocket/websocket_api.h

 // 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.
 
 #ifndef PPAPI_UTILITY_WEBSOCKET_WEBSOCKET_API_H_
 #define PPAPI_UTILITY_WEBSOCKET_WEBSOCKET_API_H_
 
 #include "ppapi/c/ppb_websocket.h"
 
 /// @file
@@ skipping 29 matching lines @@
   ///
   /// @return An int32_t containing an error code from
   /// <code>pp_errors.h</code>.
   /// See also <code>pp::WebSocket::Connect</code>.
   int32_t Connect(const Var& url, const Var protocols[],
                   uint32_t protocol_count);
 
   /// Close() closes the specified WebSocket connection by specifying
   /// <code>code</code> and <code>reason</code>.
   ///
-  /// @param[in] code The WebSocket close code. Ignored if it is 0.
+  /// @param[in] code The WebSocket close code. Ignored if it is
+  /// PP_WEBSOCKETSTATUSCODE_NOT_SPECIFIED.
   /// @param[in] reason A <code>Var</code> of string type which represents the
   /// WebSocket close reason. Ignored if it is undefined type.
   ///
   /// @return An int32_t containing an error code from
   /// <code>pp_errors.h</code>.
   /// See also <code>pp::WebSocket::Close</code>.
-  int32_t Close(uint16_t code, const Var& reason);
+  int32_t Close(PP_WebSocketStatusCode code, const Var& reason);
 
   /// Send() sends a message to the WebSocket server.
   ///
   /// @param[in] data A message to send. The message is copied to internal
   /// buffer. So caller can free <code>data</code> safely after returning
   /// from the function.
   ///
   /// @return An int32_t containing an error code from
   /// <code>pp_errors.h</code>.
   /// See also <code>pp::WebSocket::SendMessage</code>.
@@ skipping 53 matching lines @@
   virtual void HandleWebSocketError() = 0;
 
  private:
   class Implement;
   Implement* impl_;
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_UTILITY_WEBSOCKET_WEBSOCKET_API_H_