Disable SPDY/3.1.

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index 2573e9766d80fec3751ef2b24649f6b29e0099d4..9606d74016a4a69d5ffa0b3bf7db6b0615c0d4f2 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -311,7 +311,6 @@ IOThread::IOThread(
       extension_event_router_forwarder_(extension_event_router_forwarder),
 #endif
       globals_(NULL),
-      is_spdy_allowed_by_policy_(true),
       is_quic_allowed_by_policy_(true),
       creation_time_(base::TimeTicks::Now()),
       weak_factory_(this) {
@@ -381,12 +380,6 @@ IOThread::IOThread(
                                         local_state);
   pac_https_url_stripping_enabled_.MoveToThread(io_thread_proxy);
 
-  is_spdy_allowed_by_policy_ =
-      policy_service
-          ->GetPolicies(policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
-                                                std::string()))
-          .Get(policy::key::kDisableSpdy) == nullptr;
-
   const base::Value* value = policy_service->GetPolicies(
       policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
       std::string())).GetValue(policy::key::kQuicAllowed);
@@ -635,8 +628,7 @@ void IOThread::Init() {
   quic_user_agent_id.push_back(' ');
   quic_user_agent_id.append(content::BuildOSCpuInfo());
   network_session_configurator::ParseFieldTrialsAndCommandLine(
-      is_spdy_allowed_by_policy_, is_quic_allowed_by_policy_,
-      quic_user_agent_id, &params_);
+      is_quic_allowed_by_policy_, quic_user_agent_id, &params_);
 
   bool always_enable_tfo_if_supported =
       command_line.HasSwitch(switches::kEnableTcpFastOpen);