workers: Move ownership of WebThread from WorkerThread

Source/core/workers/WorkerThreadStartupData.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/network/ContentSecurityPolicyParsers.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
+class WebThreadSupportingGC;
 class WorkerClients;
 
 class CORE_EXPORT WorkerThreadStartupData final {
     WTF_MAKE_NONCOPYABLE(WorkerThreadStartupData);
     WTF_MAKE_FAST_ALLOCATED(WorkerThreadStartupData);
 public:
     static PassOwnPtr<WorkerThreadStartupData> create(const KURL& scriptURL, const String& userAgent, const String& sourceCode, PassOwnPtr<Vector<char>> cachedMetaData, WorkerThreadStartMode startMode, const String& contentSecurityPolicy, ContentSecurityPolicyHeaderType contentSecurityPolicyType, const SecurityOrigin* starterOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients, V8CacheOptions v8CacheOptions = V8CacheOptionsDefault)
     {
         return adoptPtr(new WorkerThreadStartupData(scriptURL, userAgent, sourceCode, cachedMetaData, startMode, contentSecurityPolicy, contentSecurityPolicyType, starterOrigin, workerClients, v8CacheOptions));
     }
@@ skipping 27 matching lines @@
     // a new worker context, but ownership of it and this WorkerThreadStartupData
     // structure is passed along to the new worker thread, where it is finalized.
     //
     // Hence, CrossThreadPersistent<> is required to allow finalization
     // to happen on a thread different than the thread creating the
     // persistent reference.
     OwnPtrWillBeCrossThreadPersistent<WorkerClients> m_workerClients;
 
     V8CacheOptions m_v8CacheOptions;
 
+    WebThreadSupportingGC* m_thread;
+
 private:
     WorkerThreadStartupData(const KURL& scriptURL, const String& userAgent, const String& sourceCode, PassOwnPtr<Vector<char>> cachedMetaData, WorkerThreadStartMode, const String& contentSecurityPolicy, ContentSecurityPolicyHeaderType contentSecurityPolicyType, const SecurityOrigin*, PassOwnPtrWillBeRawPtr<WorkerClients>, V8CacheOptions);
 };
 
 } // namespace blink
 
 #endif // WorkerThreadStartupData_h