Make incognito windows not inherit HSTS state from the main profile.

chrome/browser/profiles/profile_impl_io_data.h

Index: chrome/browser/profiles/profile_impl_io_data.h
diff --git a/chrome/browser/profiles/profile_impl_io_data.h b/chrome/browser/profiles/profile_impl_io_data.h
index 8aca7f894f00d3f10ccc9c23a4dd7e4784973198..8e6cce0c584777674a1531f0f307960732097741 100644
--- a/chrome/browser/profiles/profile_impl_io_data.h
+++ b/chrome/browser/profiles/profile_impl_io_data.h
@@ -12,6 +12,8 @@
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 
+class TransportSecurityPersister;
+
 namespace chrome_browser_net {
 class HttpServerPropertiesManager;
 class Predictor;
@@ -146,6 +148,7 @@ class ProfileImplIOData : public ProfileIOData {
   mutable scoped_ptr<net::HttpTransactionFactory> main_http_factory_;
   mutable scoped_ptr<net::HttpTransactionFactory> media_http_factory_;
   mutable scoped_ptr<net::FtpTransactionFactory> ftp_factory_;
+  mutable scoped_ptr<TransportSecurityPersister> transport_security_persister_;
 
   mutable scoped_ptr<chrome_browser_net::Predictor> predictor_;