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

media/blink/webencryptedmediaclient_impl.h

Index: media/blink/webencryptedmediaclient_impl.h
diff --git a/media/blink/webencryptedmediaclient_impl.h b/media/blink/webencryptedmediaclient_impl.h
index d5319527070b710e0f51a11478f6016d57a5568f..36d104b4383e45df391eb6fb9c2ad29074775cdc 100644
--- a/media/blink/webencryptedmediaclient_impl.h
+++ b/media/blink/webencryptedmediaclient_impl.h
@@ -34,6 +34,8 @@ class MEDIA_EXPORT WebEncryptedMediaClientImpl
   // Create the CDM for |key_system| and |security_origin|. The caller owns
   // the created cdm (passed back using |result|).
   void CreateCdm(const blink::WebString& key_system,
+                 bool allow_distinctive_identifier,
+                 bool allow_persistent_state,
                  const blink::WebSecurityOrigin& security_origin,
                  blink::WebContentDecryptionModuleResult result);