Remove the last vestiges of RC4.

net/socket/ssl_client_socket_impl.cc

Index: net/socket/ssl_client_socket_impl.cc
diff --git a/net/socket/ssl_client_socket_impl.cc b/net/socket/ssl_client_socket_impl.cc
index 80ff994982f2d3e804266d8623bae1dd2e90b0d4..12867ad2e3a3d44dc10e6373c346b4e2af7adfa0 100644
--- a/net/socket/ssl_client_socket_impl.cc
+++ b/net/socket/ssl_client_socket_impl.cc
@@ -988,16 +988,11 @@ int SSLClientSocketImpl::Init() {
   // supported. As DHE is being deprecated, don't add a cipher only to remove it
   // immediately.
   std::string command(
-      "DEFAULT:!SHA256:!SHA384:!DHE-RSA-AES256-GCM-SHA384:!aPSK");
+      "DEFAULT:!SHA256:!SHA384:!DHE-RSA-AES256-GCM-SHA384:!aPSK:!RC4");
 
   if (ssl_config_.require_ecdhe)
     command.append(":!kRSA:!kDHE");
 
-  if (!(ssl_config_.rc4_enabled &&
-        ssl_config_.deprecated_cipher_suites_enabled)) {
-    command.append(":!RC4");
-  }
-
   if (!ssl_config_.deprecated_cipher_suites_enabled) {
     // Only offer DHE on the second handshake. https://crbug.com/538690
     command.append(":!kDHE");