Simplify use of ContentDecryptionModuleResult with promises

Source/modules/encryptedmedia/MediaKeys.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 15 matching lines @@
 #include "config.h"
 #include "modules/encryptedmedia/MediaKeys.h"
 
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMArrayBufferView.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "modules/encryptedmedia/MediaKeySession.h"
-#include "modules/encryptedmedia/SimpleContentDecryptionModuleResult.h"
+#include "modules/encryptedmedia/SimpleContentDecryptionModuleResultPromise.h"
 #include "platform/ContentType.h"
 #include "platform/Logging.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/Timer.h"
 #include "public/platform/WebContentDecryptionModule.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 static bool isKeySystemSupportedWithContentType(const String& keySystem, const String& contentType)
@@ skipping 111 matching lines @@
     // 2. If the keySystem does not support server certificates, return a
     //    promise rejected with a new DOMException whose name is
     //    "NotSupportedError".
     //    (Let the CDM decide whether to support this or not.)
 
     // 3. Let certificate be a copy of the contents of the serverCertificate
     //    parameter.
     //    (Done in caller.)
 
     // 4. Let promise be a new promise.
-    SimpleContentDecryptionModuleResult* result = new SimpleContentDecryptionModuleResult(scriptState);
+    SimpleContentDecryptionModuleResultPromise* result = new SimpleContentDecryptionModuleResultPromise(scriptState);
     ScriptPromise promise = result->promise();
 
     // 5. Run the following steps asynchronously (documented in timerFired()).
     m_pendingActions.append(PendingAction::CreatePendingSetServerCertificate(result, serverCertificate));
     if (!m_timer.isActive())
         m_timer.startOneShot(0, FROM_HERE);
 
     // 6. Return promise.
     return promise;
 }
@@ skipping 57 matching lines @@
 
 void MediaKeys::contextDestroyed()
 {
     ContextLifecycleObserver::contextDestroyed();
 
     // We don't need the CDM anymore.
     m_cdm.clear();
 }
 
 } // namespace blink