WebSocketExtensionParser: reject top-bit-set characters

net/websockets/websocket_extension_parser.h

Index: net/websockets/websocket_extension_parser.h
diff --git a/net/websockets/websocket_extension_parser.h b/net/websockets/websocket_extension_parser.h
index 365cbf60683c0aeafb0f6cbc399cca020944748d..ebba4f04ab536f89521ff6ec537e7280cbabf5d6 100644
--- a/net/websockets/websocket_extension_parser.h
+++ b/net/websockets/websocket_extension_parser.h
@@ -49,10 +49,6 @@ class NET_EXPORT_PRIVATE WebSocketExtensionParser {
   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_;