Block platform verification and file IO in the CDM adapter if the CDM configuration disallows them.

media/cdm/default_cdm_factory.h

Index: media/cdm/default_cdm_factory.h
diff --git a/media/cdm/default_cdm_factory.h b/media/cdm/default_cdm_factory.h
index 18db3a3f50e8d750281b51dec828fc9b8bebc5f3..d9528808bbf586cad5e7c1f0a722aaef2079cb0b 100644
--- a/media/cdm/default_cdm_factory.h
+++ b/media/cdm/default_cdm_factory.h
@@ -18,6 +18,8 @@ class DefaultCdmFactory : public CdmFactory {
   // CdmFactory implementation.
   scoped_ptr<MediaKeys> Create(
       const std::string& key_system,
+      bool allow_distinctive_identifier,
+      bool allow_persistent_state,
       const GURL& security_origin,
       const SessionMessageCB& session_message_cb,
       const SessionClosedCB& session_closed_cb,