Do not roll back to SSL 3.0 for Google properties.

net/ssl/ssl_config_service.h

Index: net/ssl/ssl_config_service.h
diff --git a/net/ssl/ssl_config_service.h b/net/ssl/ssl_config_service.h
index a111594c0bda35c68e19622f909d23ae21e01487..f8ee03b27c0d74072f25a7433ed636c191e6e5a9 100644
--- a/net/ssl/ssl_config_service.h
+++ b/net/ssl/ssl_config_service.h
@@ -91,6 +91,13 @@ struct NET_EXPORT SSLConfig {
   bool channel_id_enabled;  // True if TLS channel ID extension is enabled.
   bool false_start_enabled;  // True if we'll use TLS False Start.
 
+  // If |unrestricted_ssl3_fallback_enabled| is true, SSL 3.0 fallback will be
+  // enabled for all sites.
+  // If |unrestricted_ssl3_fallback_enabled| is false, SSL 3.0 fallback will be
+  // disabled for a site pinned to the Google pin list (indicating that it is a
+  // Google site).
+  bool unrestricted_ssl3_fallback_enabled;
+
   // TODO(wtc): move the following members to a new SSLParams structure.  They
   // are not SSL configuration settings.