EME Clear Key: Run Session Closed algorithm before resolving returned promise

third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp

 /*
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 753 matching lines @@
 
   // 3. If session's callable value is false, return a promise rejected with
   //    an InvalidStateError.
   if (!m_isCallable)
     return CreateRejectedPromiseNotCallable(scriptState);
 
   // 4. Let promise be a new promise.
   SimpleResultPromise* result = new SimpleResultPromise(scriptState, this);
   ScriptPromise promise = result->promise();
 
-  // 4. Run the following steps in parallel (done in closeTask()).
+  // 5. Run the following steps in parallel (done in closeTask()).
   m_pendingActions.append(PendingAction::CreatePendingClose(result));
   if (!m_actionTimer.isActive())
     m_actionTimer.startOneShot(0, BLINK_FROM_HERE);
 
-  // 5. Return promise.
+  // 6. Return promise.
   return promise;
 }
 
 void MediaKeySession::closeTask(ContentDecryptionModuleResult* result) {
   // NOTE: Continue step 4 of MediaKeySession::close().
   DVLOG(MEDIA_KEY_SESSION_LOG_LEVEL) << __func__ << "(" << this << ")";
 
   // close() in Chromium will execute steps 5.1 through 5.3.
   m_session->close(result->result());
 
@@ skipping 255 matching lines @@
   visitor->trace(m_asyncEventQueue);
   visitor->trace(m_pendingActions);
   visitor->trace(m_mediaKeys);
   visitor->trace(m_keyStatusesMap);
   visitor->trace(m_closedPromise);
   EventTargetWithInlineData::trace(visitor);
   ActiveDOMObject::trace(visitor);
 }
 
 }  // namespace blink