Expose a spdy session's pooled aliases in the net-internals page.

net/spdy/spdy_session_pool.cc

Index: net/spdy/spdy_session_pool.cc
diff --git a/net/spdy/spdy_session_pool.cc b/net/spdy/spdy_session_pool.cc
index 4b86f4b91b75286690a3f54d8164d0908e7f1f7a..fbfc3c4932a890699bf37d11ba482d3c3e901ede 100644
--- a/net/spdy/spdy_session_pool.cc
+++ b/net/spdy/spdy_session_pool.cc
@@ -222,7 +222,12 @@ Value* SpdySessionPool::SpdySessionPoolInfoToValue() const {
     SpdySessionList* sessions = it->second;
     for (SpdySessionList::const_iterator session = sessions->begin();
          session != sessions->end(); ++session) {
-      list->Append(session->get()->GetInfoAsValue());
+      // Only add the session if the key in the map matches the main
+      // host_port_proxy_pair (not an alias).
+      const HostPortProxyPair& key = it->first;
+      const HostPortProxyPair& pair = session->get()->host_port_proxy_pair();
+      if (key.first.Equals(pair.first) && key.second == pair.second)
+        list->Append(session->get()->GetInfoAsValue());
     }
   }
   return list;