Force databases and localstorage to be enabled extensions.

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index aeda43db86e9dc3eb9ade1a985696fc7f038ddf9..32a2e33e7db094435cf6920dc29939b14253d07a 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -1622,6 +1622,7 @@ struct ParamTraits<WebPreferences> {
     WriteParam(m, p.remote_fonts_enabled);
     WriteParam(m, p.xss_auditor_enabled);
     WriteParam(m, p.local_storage_enabled);
+    WriteParam(m, p.databases_enabled);
     WriteParam(m, p.session_storage_enabled);
     WriteParam(m, p.application_cache_enabled);
   }
@@ -1656,6 +1657,7 @@ struct ParamTraits<WebPreferences> {
         ReadParam(m, iter, &p->remote_fonts_enabled) &&
         ReadParam(m, iter, &p->xss_auditor_enabled) &&
         ReadParam(m, iter, &p->local_storage_enabled) &&
+        ReadParam(m, iter, &p->databases_enabled) &&
         ReadParam(m, iter, &p->session_storage_enabled) &&
         ReadParam(m, iter, &p->application_cache_enabled);
   }