HttpServer: avoid DCHECK'ing on non-HTTP/1.1 requests.

net/http/http_response_headers.h

Index: net/http/http_response_headers.h
diff --git a/net/http/http_response_headers.h b/net/http/http_response_headers.h
index 2bf4514bdc904b0397cca538ee8fc9893eede311..90ba7ebfe47849168e78f5650fb9310163305e43 100644
--- a/net/http/http_response_headers.h
+++ b/net/http/http_response_headers.h
@@ -335,14 +335,6 @@ class NET_EXPORT HttpResponseHeaders
   // Initializes from the given raw headers.
   void Parse(const std::string& raw_input);
 
-  // Helper function for ParseStatusLine.
-  // Tries to extract the "HTTP/X.Y" from a status line formatted like:
-  //    HTTP/1.1 200 OK
-  // with line_begin and end pointing at the begin and end of this line.  If the
-  // status line is malformed, returns HttpVersion(0,0).
-  static HttpVersion ParseVersion(std::string::const_iterator line_begin,
-                                  std::string::const_iterator line_end);
-
   // Tries to extract the status line from a header block, given the first
   // line of said header block.  If the status line is malformed, we'll
   // construct a valid one.  Example input: