Oilpan: Enable Oilpan by default in modules/encryptedmedia

Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp

 // 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.
 
 #include "config.h"
 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h"
 
 #include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
@@ skipping 68 matching lines @@
     HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
     return thisElement.m_mediaKeys.get();
 }
 
 void HTMLMediaElementEncryptedMedia::setMediaKeysInternal(HTMLMediaElement& element, MediaKeys* mediaKeys)
 {
     if (m_mediaKeys == mediaKeys)
         return;
 
     ASSERT(m_emeMode == EmeModeUnprefixed);
-
-    if (m_mediaKeys)
-        m_mediaKeys->setMediaElement(0);
     m_mediaKeys = mediaKeys;
-    if (m_mediaKeys)
-        m_mediaKeys->setMediaElement(&element);
 
     // If a player is connected, tell it that the CDM has changed.
     if (element.webMediaPlayer())
         element.webMediaPlayer()->setContentDecryptionModule(contentDecryptionModule());
 }
 
 void HTMLMediaElementEncryptedMedia::setMediaKeys(HTMLMediaElement& element, MediaKeys* mediaKeys, ExceptionState& exceptionState)
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::setMediaKeys");
     HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
@@ skipping 249 matching lines @@
     return thisElement.contentDecryptionModule();
 }
 
 void HTMLMediaElementEncryptedMedia::trace(Visitor* visitor)
 {
     visitor->trace(m_mediaKeys);
     WillBeHeapSupplement<HTMLMediaElement>::trace(visitor);
 }
 
 } // namespace WebCore