Don't interpret embeded NULLs in a response header line as a line terminator.

net/http/http_response_headers.h

Index: net/http/http_response_headers.h
===================================================================
--- net/http/http_response_headers.h	(revision 100022)
+++ net/http/http_response_headers.h	(working copy)
@@ -44,9 +44,6 @@
   // (Note that line continuations should have already been joined;
   // see HttpUtil::AssembleRawHeaders)
   //
-  // NOTE: For now, raw_headers is not really 'raw' in that this constructor is
-  // called with a 'NativeMB' string on Windows because WinHTTP does not allow
-  // us to access the raw byte sequence as sent by a web server.  In any case,
   // HttpResponseHeaders does not perform any encoding changes on the input.
   //
   explicit HttpResponseHeaders(const std::string& raw_headers);