HPACK: Split header fields in encoder.

net/spdy/hpack_encoder.h

Index: net/spdy/hpack_encoder.h
diff --git a/net/spdy/hpack_encoder.h b/net/spdy/hpack_encoder.h
index 7d73b9292d3be0d3cb840b1e82a92e2385be1e50..1df191ce97803815aa2ac5517cc0982cce26f4fa 100644
--- a/net/spdy/hpack_encoder.h
+++ b/net/spdy/hpack_encoder.h
@@ -7,6 +7,7 @@
 
 #include <map>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
@@ -82,6 +83,10 @@ class NET_EXPORT_PRIVATE HpackEncoder {
   static void CookieToCrumbs(const Representation& cookie,
                              Representations* crumbs_out);
 
+  // Crumbles other header field values at \0 delimiters.
+  static void DecomposeRepresentation(const Representation& header_field,
+                                      Representations* out);
+
   HpackHeaderTable header_table_;
   HpackOutputStream output_stream_;