PlzNavigate: detect when a ServiceWorker is present

content/browser/service_worker/service_worker_request_handler.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_request_handler.h"
 
 #include <string>
 #include <utility>
 
 #include "base/macros.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_core.h"
 #include "content/browser/service_worker/service_worker_provider_host.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_url_request_job.h"
 #include "content/common/resource_request_body_impl.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/service_worker/service_worker_utils.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "content/public/common/child_process_host.h"
 #include "content/public/common/origin_util.h"
@@ skipping 61 matching lines @@
           request_context_type, frame_type, blob_storage_context->AsWeakPtr(),
           body));
   if (!handler)
     return;
 
   request->SetUserData(&kUserDataKey, handler.release());
 }
 
 }  // namespace
 
-// PlzNavigate
-void ServiceWorkerRequestHandler::InitializeForNavigation(
-    net::URLRequest* request,
-    ServiceWorkerNavigationHandleCore* navigation_handle_core,
-    storage::BlobStorageContext* blob_storage_context,
-    bool skip_service_worker,
-    ResourceType resource_type,
-    RequestContextType request_context_type,
-    RequestContextFrameType frame_type,
-    scoped_refptr<ResourceRequestBodyImpl> body) {
-  CHECK(IsBrowserSideNavigationEnabled());
-
-  // Only create a handler when there is a ServiceWorkerNavigationHandlerCore
-  // to take ownership of a pre-created SeviceWorkerProviderHost.
-  if (!navigation_handle_core)
-    return;
-
-  // Create the handler even for insecure HTTP since it's used in the
-  // case of redirect to HTTPS.
-  if (!request->url().SchemeIsHTTPOrHTTPS() &&
-      !OriginCanAccessServiceWorkers(request->url())) {
-    return;
-  }
-
-  if (!navigation_handle_core->context_wrapper() ||
-      !navigation_handle_core->context_wrapper()->context()) {
-    return;
-  }
-
-  // Initialize the SWProviderHost.
-  std::unique_ptr<ServiceWorkerProviderHost> provider_host =
-      ServiceWorkerProviderHost::PreCreateNavigationHost(
-          navigation_handle_core->context_wrapper()->context()->AsWeakPtr());
-
-  FinalizeHandlerInitialization(
-      request, provider_host.get(), blob_storage_context, skip_service_worker,
-      FETCH_REQUEST_MODE_SAME_ORIGIN, FETCH_CREDENTIALS_MODE_INCLUDE,
-      FetchRedirectMode::MANUAL_MODE, resource_type, request_context_type,
-      frame_type, body);
-
-  // Transfer ownership to the ServiceWorkerNavigationHandleCore.
-  // In the case of a successful navigation, the SWProviderHost will be
-  // transferred to its "final" destination in the OnProviderCreated handler. If
-  // the navigation fails, it will be destroyed along with the
-  // ServiceWorkerNavigationHandleCore.
-  navigation_handle_core->DidPreCreateProviderHost(std::move(provider_host));
-}
-
 void ServiceWorkerRequestHandler::InitializeHandler(
     net::URLRequest* request,
     ServiceWorkerContextWrapper* context_wrapper,
     storage::BlobStorageContext* blob_storage_context,
     int process_id,
     int provider_id,
     bool skip_service_worker,
     FetchRequestMode request_mode,
     FetchCredentialsMode credentials_mode,
     FetchRedirectMode redirect_mode,
@@ skipping 96 matching lines @@
     ResourceType resource_type)
     : context_(context),
       provider_host_(provider_host),
       blob_storage_context_(blob_storage_context),
       resource_type_(resource_type),
       old_process_id_(0),
       old_provider_id_(kInvalidServiceWorkerProviderId) {
 }
 
 }  // namespace content