Deprecates --spdy_framer_use_new_methods4.

net/spdy/spdy_flags.cc

Index: net/spdy/spdy_flags.cc
diff --git a/net/spdy/spdy_flags.cc b/net/spdy/spdy_flags.cc
index 8e99ff505747c9a6ef0bfd621b9ef0c1b62454a9..3bfa05274dbade7f24c3362ce708843d9a064358 100644
--- a/net/spdy/spdy_flags.cc
+++ b/net/spdy/spdy_flags.cc
@@ -9,10 +9,6 @@ namespace net {
 // Log compressed size of HTTP/2 requests.
 bool FLAGS_chromium_http2_flag_log_compressed_size = true;
 
-// If true, SpdyFramer uses the new visitor methods OnHeaderFrameStart and
-// OnHeaderFrameEnd.  Fourth attempt.
-bool FLAGS_chromium_http2_flag_spdy_framer_use_new_methods4 = true;
-
 // If true, increase HPACK table size up to optimal size kOptTableSize if
 // clients allow it.
 bool FLAGS_chromium_reloadable_flag_increase_hpack_table_size = false;