Remove disable-embedded-shared-worker flag and shared worker process related codes.

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"
-
-struct WorkerProcessMsg_CreateWorker_Params;
-
-namespace content {
-class AppCacheDispatcher;
-class DBMessageFilter;
-class IndexedDBMessageFilter;
-class WebSharedWorkerStub;
-class WorkerWebKitPlatformSupportImpl;
-
-class WorkerThread : public ChildThread {
- public:
-  WorkerThread();
-  virtual ~WorkerThread();
-  virtual void Shutdown() OVERRIDE;
-
-  // Returns the one worker thread.
-  static WorkerThread* current();
-
-  // Invoked from stub constructors/destructors. Stubs own themselves.
-  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 bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
-
-  void OnCreateWorker(const WorkerProcessMsg_CreateWorker_Params& params);
-  void OnShutdown();
-
-  scoped_ptr<WorkerWebKitPlatformSupportImpl> webkit_platform_support_;
-  scoped_ptr<AppCacheDispatcher> appcache_dispatcher_;
-  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_