Kill worker process by way of a sync IPC message before it cleans up.

content/worker/worker_thread.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_WORKER_WORKER_THREAD_H_
 #define CONTENT_WORKER_WORKER_THREAD_H_
 
 #include <set>
 
 #include "content/child/child_thread.h"
@@ skipping 21 matching lines @@
   void AddWorkerStub(WebSharedWorkerStub* stub);
   void RemoveWorkerStub(WebSharedWorkerStub* stub);
 
   AppCacheDispatcher* appcache_dispatcher() {
     return appcache_dispatcher_.get();
   }
 
  private:
   virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
+  virtual void OnProcessFinalRelease() OVERRIDE;
 
   void OnCreateWorker(const WorkerProcessMsg_CreateWorker_Params& params);
 
   scoped_ptr<WorkerWebKitPlatformSupportImpl> webkit_platform_support_;
   scoped_ptr<AppCacheDispatcher> appcache_dispatcher_;
   scoped_ptr<WebDatabaseObserverImpl> web_database_observer_impl_;
   scoped_refptr<DBMessageFilter> db_message_filter_;
   scoped_refptr<IndexedDBMessageFilter> indexed_db_message_filter_;
 
   typedef std::set<WebSharedWorkerStub*> WorkerStubsList;
   WorkerStubsList worker_stubs_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_WORKER_WORKER_THREAD_H_