EME: Clear Key CDM now generates keystatuseschange event on close()

media/cdm/aes_decryptor.cc

Index: media/cdm/aes_decryptor.cc
diff --git a/media/cdm/aes_decryptor.cc b/media/cdm/aes_decryptor.cc
index af7182f1097ab3fdbaeebe8180c97bb95d690802..f8e12e5b3e39bee068a68b27b9dd8e0857f16d0a 100644
--- a/media/cdm/aes_decryptor.cc
+++ b/media/cdm/aes_decryptor.cc
@@ -411,6 +411,13 @@ void AesDecryptor::CloseSession(const std::string& session_id,
   // Close the session.
   DeleteKeysForSession(session_id);
   promise->resolve();
+
+  // Update key statuses. All keys have been destroyed, so it's an empty set.
+  session_keys_change_cb_.Run(session_id, false, CdmKeysInfo());
+
+  // Update expiration time to NaN. (http://crbug.com/624192)
+
+  // Resolve the closed attribute.
   session_closed_cb_.Run(session_id);
 }