Revert "Add field trial for domain bound certificates." The field trial is done.

net/base/ssl_config_service.cc

Index: net/base/ssl_config_service.cc
diff --git a/net/base/ssl_config_service.cc b/net/base/ssl_config_service.cc
index 3a795400ebf44833eaf7719b6fbe411b39ff02ca..d713c11c93aca1328d6a336a5bb9527a9a80141d 100644
--- a/net/base/ssl_config_service.cc
+++ b/net/base/ssl_config_service.cc
@@ -74,7 +74,6 @@ SSLConfigService::SSLConfigService()
 }
 
 static bool g_cached_info_enabled = false;
-static bool g_domain_bound_certs_trial = false;
 
 // GlobalCRLSet holds a reference to the global CRLSet. It simply wraps a lock
 // around a scoped_refptr so that getting a reference doesn't race with
@@ -133,11 +132,6 @@ uint16 SSLConfigService::default_version_max() {
   return g_default_version_max;
 }
 
-// static
-void SSLConfigService::EnableDomainBoundCertsTrial() {
-  g_domain_bound_certs_trial = true;
-}
-
 void SSLConfigService::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
@@ -152,8 +146,6 @@ SSLConfigService::~SSLConfigService() {
 // static
 void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
   ssl_config->cached_info_enabled = g_cached_info_enabled;
-  if (g_domain_bound_certs_trial)
-    ssl_config->domain_bound_certs_enabled = true;
 }
 
 void SSLConfigService::ProcessConfigUpdate(const SSLConfig& orig_config,