Move NextProto enum to a new file net/socket/next_proto.h

net/http/http_network_layer.cc

Index: net/http/http_network_layer.cc
diff --git a/net/http/http_network_layer.cc b/net/http/http_network_layer.cc
index 0ae03d25d161667dd15df0d26c4b567f4235b083..5249882d13cf87cebc9940d8574b8cde556b208f 100644
--- a/net/http/http_network_layer.cc
+++ b/net/http/http_network_layer.cc
@@ -77,11 +77,11 @@ void HttpNetworkLayer::EnableSpdy(const std::string& mode) {
     if (option == kOff) {
       HttpStreamFactory::set_spdy_enabled(false);
     } else if (option == kDisableSSL) {
-      SpdySession::set_default_protocol(SSLClientSocket::kProtoSPDY2);
+      SpdySession::set_default_protocol(kProtoSPDY2);
       HttpStreamFactory::set_force_spdy_over_ssl(false);
       HttpStreamFactory::set_force_spdy_always(true);
     } else if (option == kSSL) {
-      SpdySession::set_default_protocol(SSLClientSocket::kProtoSPDY2);
+      SpdySession::set_default_protocol(kProtoSPDY2);
       HttpStreamFactory::set_force_spdy_over_ssl(true);
       HttpStreamFactory::set_force_spdy_always(true);
     } else if (option == kDisablePing) {