Enable SPDY 3.1 and 3.0 in UrlRequestContextBuilder by default

net/url_request/url_request_context_builder.h

Index: net/url_request/url_request_context_builder.h
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index 12144b82ae098480e3d635320dffc198b59fa1c7..be05943aea8b9f7f5e184bda4cd3429501d06c37 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -23,6 +23,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "net/base/net_export.h"
+#include "net/socket/next_proto.h"
 
 namespace net {
 
@@ -65,7 +66,9 @@ class NET_EXPORT URLRequestContextBuilder {
     HostMappingRules* host_mapping_rules;
     uint16 testing_fixed_http_port;
     uint16 testing_fixed_https_port;
+    NextProtoVector next_protos;
     std::string trusted_spdy_proxy;
+    bool use_alternate_protocols;
   };
 
   URLRequestContextBuilder();