WebSocketExtensionParser: reject top-bit-set characters

net/websockets/websocket_extension_parser.h

 // Copyright 2013 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 NET_WEBSOCKETS_WEBSOCKET_EXTENSION_PARSER_H_
 #define NET_WEBSOCKETS_WEBSOCKET_EXTENSION_PARSER_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 31 matching lines @@
  private:
   WARN_UNUSED_RESULT bool Consume(char c);
   WARN_UNUSED_RESULT bool ConsumeExtension(WebSocketExtension* extension);
   WARN_UNUSED_RESULT bool ConsumeExtensionParameter(
       WebSocketExtension::Parameter* parameter);
   WARN_UNUSED_RESULT bool ConsumeToken(base::StringPiece* token);
   WARN_UNUSED_RESULT bool ConsumeQuotedToken(std::string* token);
   void ConsumeSpaces();
   WARN_UNUSED_RESULT bool Lookahead(char c);
   WARN_UNUSED_RESULT bool ConsumeIfMatch(char c);
-  size_t UnconsumedBytes() const { return end_ - current_; }
-
-  static bool IsControl(char c);
-  static bool IsSeparator(char c);
 
   // The current position in the input string.
   const char* current_;
   // The pointer of the end of the input string.
   const char* end_;
   std::vector<WebSocketExtension> extensions_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocketExtensionParser);
 };
 
 }  // namespace net
 
 #endif  // NET_WEBSOCKETS_WEBSOCKET_EXTENSION_PARSER_H_