Move TransportSecurityPersister completely to IO thread.

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index b4ffcf48b4bd9073f1c5694436ca5ad411bd58dc..4c9dad64f6d02ae22fcfada9c51c0e80eef17c3c 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -244,22 +244,6 @@ SSLHostState* OffTheRecordProfileImpl::GetSSLHostState() {
   return ssl_host_state_.get();
 }
 
-net::TransportSecurityState*
-    OffTheRecordProfileImpl::GetTransportSecurityState() {
-  if (!transport_security_state_.get()) {
-    transport_security_state_ = new net::TransportSecurityState(
-        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-            switches::kHstsHosts));
-    transport_security_loader_ =
-       new TransportSecurityPersister(transport_security_state_.get(),
-                                      GetPath(),
-                                      true /* readonly */);
-    transport_security_loader_->Init();
-  }
-
-  return transport_security_state_.get();
-}
-
 HistoryService* OffTheRecordProfileImpl::GetHistoryService(
     ServiceAccessType sat) {
   if (sat == EXPLICIT_ACCESS)
@@ -612,6 +596,11 @@ chrome_browser_net::Predictor* OffTheRecordProfileImpl::GetNetworkPredictor() {
   return NULL;
 }
 
+void OffTheRecordProfileImpl::DeleteTransportSecurityStateSince(
+    const base::Time& time) {
+  // No need to do anything here, our transport security state is read-only.
+}
+
 void OffTheRecordProfileImpl::Observe(int type,
                      const NotificationSource& source,
                      const NotificationDetails& details) {