Adds ability to disable connection pooling in QUIC.

chrome/browser/io_thread_unittest.cc

Index: chrome/browser/io_thread_unittest.cc
diff --git a/chrome/browser/io_thread_unittest.cc b/chrome/browser/io_thread_unittest.cc
index 173ff58bc6aa6287766774d1afc402d7aedcde56..f845565b951a249490bd4a670f0a22d4dec7a14d 100644
--- a/chrome/browser/io_thread_unittest.cc
+++ b/chrome/browser/io_thread_unittest.cc
@@ -133,6 +133,7 @@ TEST_F(IOThreadTest, EnableQuicFromFieldTrialGroup) {
             params.quic_supported_versions);
   EXPECT_EQ(net::QuicTagVector(), params.quic_connection_options);
   EXPECT_FALSE(params.quic_always_require_handshake_confirmation);
+  EXPECT_FALSE(params.quic_disable_connection_pooling);
 }
 
 TEST_F(IOThreadTest, EnableQuicFromCommandLine) {
@@ -331,4 +332,14 @@ TEST_F(IOThreadTest,
   EXPECT_TRUE(params.quic_always_require_handshake_confirmation);
 }
 
+TEST_F(IOThreadTest,
+       QuicDisableConnectionPoolingFromFieldTrialParams) {
+  field_trial_group_ = "Enabled";
+  field_trial_params_["DisableConnectionPooling"] = "true";

[Ryan Hamilton, 2014/09/08 17:39:15]

nit: I think we've been using hacker_case for the other params. Can you switch
this do disable_connection_pooling?

[Jana, 2014/09/08 18:49:41]

Ah sorry -- this was an oversight. Done.

+  ConfigureQuicGlobals();
+  net::HttpNetworkSession::Params params;
+  InitializeNetworkSessionParams(&params);
+  EXPECT_TRUE(params.quic_disable_connection_pooling);
+}
+
 }  // namespace test