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

media/cdm/default_cdm_factory.cc

Index: media/cdm/default_cdm_factory.cc
diff --git a/media/cdm/default_cdm_factory.cc b/media/cdm/default_cdm_factory.cc
index 985bdef77f4a59796e64fea397073a592f0c5fd8..94aae937628573b138784e53aecb0d1020e6ea32 100644
--- a/media/cdm/default_cdm_factory.cc
+++ b/media/cdm/default_cdm_factory.cc
@@ -17,6 +17,8 @@ DefaultCdmFactory::~DefaultCdmFactory() {
 
 scoped_ptr<MediaKeys> DefaultCdmFactory::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,