PlzNavigate: detect when a ServiceWorker is present

content/browser/service_worker/service_worker_navigation_handle_core.cc

Index: content/browser/service_worker/service_worker_navigation_handle_core.cc
diff --git a/content/browser/service_worker/service_worker_navigation_handle_core.cc b/content/browser/service_worker/service_worker_navigation_handle_core.cc
deleted file mode 100644
index 279461f8e8f06d4d49240f3ee8cc714eeb9dd099..0000000000000000000000000000000000000000
--- a/content/browser/service_worker/service_worker_navigation_handle_core.cc
+++ /dev/null
@@ -1,65 +0,0 @@
-// Copyright 2015 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/browser/service_worker/service_worker_navigation_handle_core.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "content/browser/service_worker/service_worker_context_core.h"
-#include "content/browser/service_worker/service_worker_context_wrapper.h"
-#include "content/browser/service_worker/service_worker_navigation_handle.h"
-#include "content/browser/service_worker/service_worker_provider_host.h"
-#include "content/common/service_worker/service_worker_types.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace content {
-
-ServiceWorkerNavigationHandleCore::ServiceWorkerNavigationHandleCore(
-    base::WeakPtr<ServiceWorkerNavigationHandle> ui_handle,
-    ServiceWorkerContextWrapper* context_wrapper)
-    : context_wrapper_(context_wrapper), ui_handle_(ui_handle) {
-  // The ServiceWorkerNavigationHandleCore is created on the UI thread but
-  // should only be accessed from the IO thread afterwards.
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-}
-
-ServiceWorkerNavigationHandleCore::~ServiceWorkerNavigationHandleCore() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (precreated_host_.get() && context_wrapper_->context()) {
-    context_wrapper_->context()->RemoveNavigationHandleCore(
-        precreated_host_->provider_id());
-  }
-}
-
-void ServiceWorkerNavigationHandleCore::DidPreCreateProviderHost(
-    std::unique_ptr<ServiceWorkerProviderHost> precreated_host) {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK(precreated_host.get());
-  DCHECK(context_wrapper_->context());
-
-  precreated_host_ = std::move(precreated_host);
-  context_wrapper_->context()->AddNavigationHandleCore(
-      precreated_host_->provider_id(), this);
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(
-          &ServiceWorkerNavigationHandle::DidCreateServiceWorkerProviderHost,
-          ui_handle_, precreated_host_->provider_id()));
-}
-
-std::unique_ptr<ServiceWorkerProviderHost>
-ServiceWorkerNavigationHandleCore::RetrievePreCreatedHost() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK(precreated_host_);
-  // Remove the ServiceWorkerNavigationHandleCore from the list of
-  // ServiceWorkerNavigationHandleCores since it will no longer hold a
-  // ServiceWorkerProviderHost.
-  DCHECK(context_wrapper_->context());
-  context_wrapper_->context()->RemoveNavigationHandleCore(
-      precreated_host_->provider_id());
-  return std::move(precreated_host_);
-}
-
-}  // namespace content