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

content/worker/worker_webapplicationcachehost_impl.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 CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_
-#define CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_
-
-#include "content/child/appcache/web_application_cache_host_impl.h"
-
-namespace content {
-
-class WorkerWebApplicationCacheHostImpl : public WebApplicationCacheHostImpl {
- public:
-  WorkerWebApplicationCacheHostImpl(
-      blink::WebApplicationCacheHostClient* client);
-
-  // Main resource loading is different for workers. The main resource is
-  // loaded by the worker using WorkerScriptLoader.
-  // These overrides are stubbed out.
-  virtual void willStartMainResourceRequest(
-      blink::WebURLRequest&, const blink::WebApplicationCacheHost*);
-  virtual void didReceiveResponseForMainResource(
-      const blink::WebURLResponse&);
-  virtual void didReceiveDataForMainResource(const char* data, int len);
-  virtual void didFinishLoadingMainResource(bool success);
-
-  // Cache selection is also different for workers. We know at construction
-  // time what cache to select and do so then.
-  // These overrides are stubbed out.
-  virtual void selectCacheWithoutManifest();
-  virtual bool selectCacheWithManifest(const blink::WebURL& manifestURL);
-};
-
-}  // namespace content
-
-#endif  // CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_