SPDY - Added enabling of SPDY/3 to about:flags.

net/http/http_stream_factory.cc

Index: net/http/http_stream_factory.cc
===================================================================
--- net/http/http_stream_factory.cc	(revision 128403)
+++ net/http/http_stream_factory.cc	(working copy)
@@ -149,6 +149,25 @@
 }
 
 // static
+void HttpStreamFactory::EnableFlowControl() {
+  std::vector<std::string> next_protos;
+  next_protos.push_back("http/1.1");
+  next_protos.push_back("spdy/2");
+  next_protos.push_back("spdy/2.1");
+  SetNextProtos(next_protos);
+}
+
+// static
+void HttpStreamFactory::EnableSPDY3() {
+  std::vector<std::string> next_protos;
+  next_protos.push_back("http/1.1");
+  next_protos.push_back("spdy/2");
+  next_protos.push_back("spdy/2.1");
+  next_protos.push_back("spdy/3");
+  SetNextProtos(next_protos);
+}
+
+// static
 void HttpStreamFactory::SetNextProtos(const std::vector<std::string>& value) {
   if (!next_protos_)
     next_protos_ = new std::vector<std::string>;