Enable Oilpan by default for webaudio/

Source/web/WebMediaPlayerClientImpl.cpp

 // Copyright (c) 2009 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 "web/WebMediaPlayerClientImpl.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/TimeRanges.h"
@@ skipping 238 matching lines @@
     m_webAudioSourceProvider = provider;
     if (m_webAudioSourceProvider)
         m_webAudioSourceProvider->setClient(m_client.get());
 }
 
 void WebMediaPlayerClientImpl::AudioSourceProviderImpl::setClient(AudioSourceProviderClient* client)
 {
     MutexLocker locker(provideInputLock);
 
     if (client)
-        m_client = adoptPtrWillBeNoop(new WebMediaPlayerClientImpl::AudioClientImpl(client));
+        m_client = new WebMediaPlayerClientImpl::AudioClientImpl(client);
     else
         m_client.clear();
 
     if (m_webAudioSourceProvider)
         m_webAudioSourceProvider->setClient(m_client.get());
 }
 
 void WebMediaPlayerClientImpl::AudioSourceProviderImpl::provideInput(AudioBus* bus, size_t framesToProcess)
 {
     ASSERT(bus);
@@ skipping 22 matching lines @@
 }
 
 void WebMediaPlayerClientImpl::AudioClientImpl::trace(Visitor* visitor)
 {
     visitor->trace(m_client);
 }
 
 #endif
 
 } // namespace blink