Do not roll back to SSL 3.0 for Google properties.

chrome/browser/net/transport_security_persister.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TransportSecurityState maintains an in memory database containing the
 // list of hosts that currently have transport security enabled. This
 // singleton object deals with writing that data out to disk as needed and
 // loading it at startup.
 
 // At startup we need to load the transport security state from the
@@ skipping 59 matching lines @@
   //     "dynamic_spki_hashes_expiry": double
   //     "mode": "default"|"force-https"
   //             legacy value synonyms "strict" = "force-https"
   //                                   "pinning-only" = "default"
   //             legacy value "spdy-only" is unused and ignored
   //     "static_spki_hashes": list of strings
   //         legacy key synonym "preloaded_spki_hashes"
   //     "bad_static_spki_hashes": list of strings
   //         legacy key synonym "bad_preloaded_spki_hashes"
   //     "dynamic_spki_hashes": list of strings
+  //     "ssl_version": integer

[thaidn_google, 2013/04/11 01:31:52]

should be ssl_version_min. will fix in another patchset.

   //
   // The JSON dictionary keys are strings containing
   // Base64(SHA256(net::TransportSecurityState::CanonicalizeHost(domain))).
   // The reason for hashing them is so that the stored state does not
   // trivially reveal a user's browsing history to an attacker reading the
   // serialized state on disk.
   virtual bool SerializeData(std::string* data) OVERRIDE;
 
   // Parses an array of JSON-encoded TransportSecurityState::DomainState
   // entries. For use in loading entries defined on the command line
@@ skipping 31 matching lines @@
 
   // Whether or not we're in read-only mode.
   const bool readonly_;
 
   base::WeakPtrFactory<TransportSecurityPersister> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TransportSecurityPersister);
 };
 
 #endif  // CHROME_BROWSER_NET_TRANSPORT_SECURITY_PERSISTER_H_