Make sure the key into the spdy session pool identifies the actual proxy used...

net/spdy/spdy_test_util.cc

Index: net/spdy/spdy_test_util.cc
===================================================================
--- net/spdy/spdy_test_util.cc	(revision 57108)
+++ net/spdy/spdy_test_util.cc	(working copy)
@@ -745,14 +745,6 @@
   return total_len;
 }
 
-// This creates a proxy for testing purposes.
-// |proxy| should be in the form "myproxy:70".
-ProxyService* SpdyCreateFixedProxyService(const std::string& proxy) {
-  net::ProxyConfig proxy_config;
-  proxy_config.proxy_rules().ParseFromString(proxy);
-  return ProxyService::CreateFixed(proxy_config);
-}
-
 const SpdyHeaderInfo make_spdy_header(spdy::SpdyControlType type) {
   const SpdyHeaderInfo kHeader = {
     type,                         // Kind = Syn