Change back to destroy the CDM synchronously

third_party/WebKit/Source/modules/encryptedmedia/ContentDecryptionModuleResultPromise.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ContentDecryptionModuleResultPromise_h
 #define ContentDecryptionModuleResultPromise_h
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/ExceptionCode.h"
 #include "platform/ContentDecryptionModuleResult.h"
@@ skipping 27 matching lines @@
 
     // Resolves the promise with |value|. Used by subclasses to resolve the
     // promise.
     template <typename... T>
     void resolve(T... value)
     {
         m_resolver->resolve(value...);
         m_resolver.clear();
     }
 
-    // Rejects the promise with a DOMException.
+    // Rejects the promise with a DOMException. This will post a task to
+    // actually reject the promise later on.
     void reject(ExceptionCode, const String& errorMessage);
 
     ExecutionContext* getExecutionContext() const;
 
 private:
+    // Rejects the promise with a DOMException.
+    void rejectInternal(ExceptionCode, const String& errorMessage);
+
     Member<ScriptPromiseResolver> m_resolver;
 };
 
 } // namespace blink
 
 #endif // ContentDecryptionModuleResultPromise_h