Oilpan: move core/workers to oilpan's heap.

Source/core/workers/WorkerThreadStartupData.cpp

Index: Source/core/workers/WorkerThreadStartupData.cpp
diff --git a/Source/core/workers/WorkerThreadStartupData.cpp b/Source/core/workers/WorkerThreadStartupData.cpp
index 2e99b068ccd678d4e2b6828a1c81d359a4992112..525120b44ad5fa58512b79d7ff010506a67a787e 100644
--- a/Source/core/workers/WorkerThreadStartupData.cpp
+++ b/Source/core/workers/WorkerThreadStartupData.cpp
@@ -34,6 +34,8 @@
 
 namespace WebCore {
 
+DEFINE_GC_INFO(WorkerThreadStartupData);
+
 WorkerThreadStartupData::WorkerThreadStartupData(const KURL& scriptURL, const String& userAgent, const String& sourceCode, WorkerThreadStartMode startMode, const String& contentSecurityPolicy, ContentSecurityPolicy::HeaderType contentSecurityPolicyType, PassOwnPtr<WorkerClients> workerClients)
     : m_scriptURL(scriptURL.copy())
     , m_userAgent(userAgent.isolatedCopy())