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

ppapi/cpp/websocket.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_CPP_WEBSOCKET_H_
 #define PPAPI_CPP_WEBSOCKET_H_
 
 #include "ppapi/c/ppb_websocket.h"
 #include "ppapi/cpp/resource.h"
 
@@ skipping 52 matching lines @@
   /// <code>PP_ERROR_NOACCESS</code> corresponds to a SecurityError of the
   /// specification.
   /// Returns <code>PP_ERROR_INPROGRESS</code> if this is not the first call to
   /// Connect().
   int32_t Connect(const Var& url, const Var protocols[],
                   uint32_t protocol_count, const CompletionCallback& callback);
 
   /// Close() closes the specified WebSocket connection by specifying
   /// <code>code</code> and <code>reason</code>.
   ///
-  /// @param[in] code The WebSocket close code. This is ignored if it is 0.
+  /// @param[in] code The WebSocket close code. This is ignored if it is
+  /// <code>PP_WEBSOCKETSTATUSCODE_NOT_SPECIFIED</code>.
   /// <code>PP_WEBSOCKETSTATUSCODE_NORMAL_CLOSURE</code> must be used for the
   /// usual case. To indicate some specific error cases, codes in the range
   /// <code>PP_WEBSOCKETSTATUSCODE_USER_REGISTERED_MIN</code> to
   /// <code>PP_WEBSOCKETSTATUSCODE_USER_REGISTERED_MAX</code>, and in the range
   /// <code>PP_WEBSOCKETSTATUSCODE_USER_PRIVATE_MIN</code> to
   /// <code>PP_WEBSOCKETSTATUSCODE_USER_PRIVATE_MAX</code> are available.
   ///
   /// @param[in] reason A <code>Var</code> of string type representing the
   /// close reason. This is ignored if it is an undefined type.
   ///
   /// @param[in] callback A <code>CompletionCallback</code> called when the
   /// connection is closed or an error occurs in closing the connection.
   ///
   /// @return An int32_t containing an error code from
   /// <code>pp_errors.h</code>.
   /// Returns <code>PP_ERROR_BADARGUMENT</code> if <code>reason</code> contains
   /// an invalid character as a UTF-8 string, or is longer than 123 bytes.
   /// <code>PP_ERROR_BADARGUMENT</code> corresponds to a JavaScript
   /// SyntaxError in the WebSocket API specification.
   /// Returns <code>PP_ERROR_NOACCESS</code> if the code is not an integer
   /// equal to 1000 or in the range 3000 to 4999.
   /// <code>PP_ERROR_NOACCESS</code> corresponds to an InvalidAccessError in
   /// the WebSocket API specification. Returns <code>PP_ERROR_INPROGRESS</code>
   /// if a previous call to Close() is not finished.
-  int32_t Close(uint16_t code, const Var& reason,
+  int32_t Close(PP_WebSocketStatusCode code, const Var& reason,
                 const CompletionCallback& callback);
 
   /// ReceiveMessage() receives a message from the WebSocket server.
   /// This interface only returns a single message. That is, this interface
   /// must be called at least N times to receive N messages, no matter the size
   /// of each message.
   ///
   /// @param[out] message The received message is copied to provided
   /// <code>message</code>. The <code>message</code> must remain valid until
   /// ReceiveMessage() completes. Its received <code>Var</code> will be of
@@ skipping 95 matching lines @@
   /// @return Returns a <code>Var</code> of string type. If called before the
   /// connection is established, the <code>Var</code> contains the empty
   /// string. Returns a <code>PP_VARTYPE_UNDEFINED</code> if this function
   /// is called on an invalid resource.
   Var GetURL();
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_WEBSOCKET_H_