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

content/worker/worker_webapplicationcachehost_impl.cc

-// Copyright (c) 2011 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.
-
-#include "content/worker/worker_webapplicationcachehost_impl.h"
-
-#include "content/child/appcache/appcache_dispatcher.h"
-#include "content/worker/worker_thread.h"
-
-namespace content {
-
-WorkerWebApplicationCacheHostImpl::WorkerWebApplicationCacheHostImpl(
-    blink::WebApplicationCacheHostClient* client)
-    : WebApplicationCacheHostImpl(client,
-          WorkerThread::current()->appcache_dispatcher()->backend_proxy()) {
-}
-
-void WorkerWebApplicationCacheHostImpl::willStartMainResourceRequest(
-    blink::WebURLRequest&, const blink::WebApplicationCacheHost*) {
-}
-
-void WorkerWebApplicationCacheHostImpl::didReceiveResponseForMainResource(
-    const blink::WebURLResponse&) {
-}
-
-void WorkerWebApplicationCacheHostImpl::didReceiveDataForMainResource(
-    const char*, int) {
-}
-
-void WorkerWebApplicationCacheHostImpl::didFinishLoadingMainResource(
-    bool) {
-}
-
-void WorkerWebApplicationCacheHostImpl::selectCacheWithoutManifest() {
-}
-
-bool WorkerWebApplicationCacheHostImpl::selectCacheWithManifest(
-    const blink::WebURL&) {
-  return true;
-}
-
-}  // namespace content