[DevTools] Send Host header

Bug: 783439
Change-Id: Id6a3ed5bed787ef498f175a93b69ea39182055d6
TBR: mmenke (trivial change to devtools server)
Reviewed-on: https://chromium-review.googlesource.com/777475
Commit-Queue: Eugene Ostroukhov <[email protected]>
Reviewed-by: Pavel Feldman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#518792}
diff --git a/net/server/web_socket_encoder.cc b/net/server/web_socket_encoder.cc
index 2b30548e..0240be3 100644
--- a/net/server/web_socket_encoder.cc
+++ b/net/server/web_socket_encoder.cc
@@ -19,7 +19,7 @@
 namespace net {
 
 const char WebSocketEncoder::kClientExtensions[] =
-    "Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits";
+    "permessage-deflate; client_max_window_bits";
 
 namespace {