Oilpan: Move WorkerClients to the managed heap and trace its supplements.

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 3d8dc03d1816253448befc0cedce1eb67a2aac39..a7245ff42d4e8fd120f4bb564328639bbdf9e320 100644
--- a/Source/core/workers/WorkerThreadStartupData.cpp
+++ b/Source/core/workers/WorkerThreadStartupData.cpp
@@ -35,7 +35,7 @@
 
 namespace WebCore {
 
-WorkerThreadStartupData::WorkerThreadStartupData(const KURL& scriptURL, const String& userAgent, const String& sourceCode, WorkerThreadStartMode startMode, const String& contentSecurityPolicy, ContentSecurityPolicyHeaderType contentSecurityPolicyType, PassOwnPtr<WorkerClients> workerClients)
+WorkerThreadStartupData::WorkerThreadStartupData(const KURL& scriptURL, const String& userAgent, const String& sourceCode, WorkerThreadStartMode startMode, const String& contentSecurityPolicy, ContentSecurityPolicyHeaderType contentSecurityPolicyType, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients)
     : m_scriptURL(scriptURL.copy())
     , m_userAgent(userAgent.isolatedCopy())
     , m_sourceCode(sourceCode.isolatedCopy())
@@ -50,4 +50,9 @@ WorkerThreadStartupData::~WorkerThreadStartupData()
 {
 }
 
+void WorkerThreadStartupData::trace(Visitor* visitor)
+{
+    visitor->trace(m_workerClients);
+}
+
 } // namespace WebCore