Oilpan: Move CachedMetadataHandler to Oilpan heap on Oilpan-enabled world.

Source/core/workers/WorkerGlobalScope.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009, 2011 Google 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
@@ skipping 238 matching lines @@
         if (scriptLoader.failed()) {
             exceptionState.throwDOMException(NetworkError, "The script at '" + completeURL.elidedString() + "' failed to load.");
             return;
         }
 
         InspectorInstrumentation::scriptImported(&executionContext, scriptLoader.identifier(), scriptLoader.script());
         scriptLoaded(scriptLoader.script().length(), scriptLoader.cachedMetadata() ? scriptLoader.cachedMetadata()->size() : 0);
 
         RefPtrWillBeRawPtr<ErrorEvent> errorEvent = nullptr;
         OwnPtr<Vector<char>> cachedMetaData(scriptLoader.releaseCachedMetadata());
-        OwnPtr<CachedMetadataHandler> handler(createWorkerScriptCachedMetadataHandler(completeURL, cachedMetaData.get()));
+        OwnPtrWillBeRawPtr<CachedMetadataHandler> handler(createWorkerScriptCachedMetadataHandler(completeURL, cachedMetaData.get()));
         m_script->evaluate(ScriptSourceCode(scriptLoader.script(), scriptLoader.responseURL()), &errorEvent, handler.get(), m_v8CacheOptions);
         if (errorEvent) {
             m_script->rethrowExceptionFromImportedScript(errorEvent.release(), exceptionState);
             return;
         }
     }
 }
 
 EventTarget* WorkerGlobalScope::errorEventTarget()
 {
@@ skipping 126 matching lines @@
     visitor->trace(m_timers);
     visitor->trace(m_messageStorage);
     visitor->trace(m_pendingMessages);
     HeapSupplementable<WorkerGlobalScope>::trace(visitor);
 #endif
     ExecutionContext::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink