Move encryptedmedia module to oilpan

Source/core/html/HTMLMediaElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 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 555 matching lines @@
     MediaElementAudioSourceNode* m_audioSourceNode;
 #endif
 
     friend class MediaController;
     RefPtr<MediaController> m_mediaController;
 
     friend class TrackDisplayUpdateScope;
 
     EmeMode m_emeMode;
 
-    RefPtr<MediaKeys> m_mediaKeys;
+    RefPtrWillBePersistent<MediaKeys> m_mediaKeys;
 
     static URLRegistry* s_mediaStreamRegistry;
 };
 
 #ifndef NDEBUG
 // Template specializations required by PodIntervalTree in debug mode.
 template <>
 struct ValueToString<double> {
     static String string(const double value)
     {
@@ skipping 13 matching lines @@
 inline bool isHTMLMediaElement(const Node& node)
 {
     return node.isElementNode() && toElement(node).isMediaElement();
 }
 
 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } //namespace
 
 #endif