Support Service Worker NavigationPreload with PlzNavigate.

content/browser/service_worker/service_worker_fetch_dispatcher.cc

 // Copyright 2014 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_fetch_dispatcher.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 278 matching lines @@
     return;
   // TODO(horo): Currently NavigationPreload doesn't support request body.
   if (!request_->blob_uuid.empty())
     return;
   if (!base::FeatureList::IsEnabled(
           features::kServiceWorkerNavigationPreload)) {
     // TODO(horo): Check |version_|'s origin_trial_tokens() here if we use
     // Origin-Trial for NavigationPreload.
     return;
   }
-  if (IsBrowserSideNavigationEnabled()) {
-    // TODO(horo): Support NavigationPreload with PlzNavigate.
-    NOTIMPLEMENTED();
-    return;
-  }
   DCHECK(!url_loader_factory_getter.is_null());
   mojom::URLLoaderFactoryPtr factory;
   url_loader_factory_getter.Run(mojo::GetProxy(&factory));
   if (url_loader_factory_getter.IsCancelled())
     return;
 
   preload_handle_ = mojom::FetchEventPreloadHandle::New();
   const ResourceRequestInfoImpl* original_info =
       ResourceRequestInfoImpl::ForRequest(original_request);
 
@@ skipping 26 matching lines @@
 }
 
 ServiceWorkerMetrics::EventType ServiceWorkerFetchDispatcher::GetEventType()
     const {
   if (request_->fetch_type == ServiceWorkerFetchType::FOREIGN_FETCH)
     return ServiceWorkerMetrics::EventType::FOREIGN_FETCH;
   return ResourceTypeToEventType(resource_type_);
 }
 
 }  // namespace content