Oilpan: Enable Oilpan by default in modules/encryptedmedia

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 42 matching lines @@
 MediaKeySession::PendingAction::PendingAction(Type type, PassRefPtr<Uint8Array> data)
     : type(type)
     , data(data)
 {
 }
 
 MediaKeySession::PendingAction::~PendingAction()
 {
 }
 
-PassRefPtrWillBeRawPtr<MediaKeySession> MediaKeySession::create(ExecutionContext* context, blink::WebContentDecryptionModule* cdm, WeakPtrWillBeRawPtr<MediaKeys> keys)
+MediaKeySession* MediaKeySession::create(ExecutionContext* context, blink::WebContentDecryptionModule* cdm, MediaKeys* keys)
 {
-    RefPtrWillBeRawPtr<MediaKeySession> session(adoptRefWillBeRefCountedGarbageCollected(new MediaKeySession(context, cdm, keys)));
+    MediaKeySession* session = adoptRefCountedGarbageCollected(new MediaKeySession(context, cdm, keys));
     session->suspendIfNeeded();
-    return session.release();
+    return session;
 }
 
-MediaKeySession::MediaKeySession(ExecutionContext* context, blink::WebContentDecryptionModule* cdm, WeakPtrWillBeRawPtr<MediaKeys> keys)
+MediaKeySession::MediaKeySession(ExecutionContext* context, blink::WebContentDecryptionModule* cdm, MediaKeys* keys)
     : ActiveDOMObject(context)
     , m_keySystem(keys->keySystem())
     , m_asyncEventQueue(GenericEventQueue::create(this))
     , m_session(adoptPtr(cdm->createSession(this)))
     , m_keys(keys)
     , m_isClosed(false)
     , m_actionTimer(this, &MediaKeySession::actionTimerFired)
 {
     WTF_LOG(Media, "MediaKeySession::MediaKeySession");
     ScriptWrappable::init(this);
@@ skipping 189 matching lines @@
     m_asyncEventQueue->close();
 }
 
 void MediaKeySession::trace(Visitor* visitor)
 {
     visitor->trace(m_keys);
     EventTargetWithInlineData::trace(visitor);
 }
 
 }