Implement transfer navigation with mojo

content/browser/loader/resource_loader.cc

 // 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.
 
 #include "content/browser/loader/resource_loader.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 180 matching lines @@
   CancelRequest(false);
 }
 
 void ResourceLoader::CancelWithError(int error_code) {
   TRACE_EVENT_WITH_FLOW0("loading", "ResourceLoader::CancelWithError", this,
                          TRACE_EVENT_FLAG_FLOW_IN);
   CancelRequestInternal(error_code, false);
 }
 
 void ResourceLoader::MarkAsTransferring(
-    const base::Closure& on_transfer_complete_callback) {
+    const TransferCallback& on_transfer_complete_callback) {
   CHECK(IsResourceTypeFrame(GetRequestInfo()->GetResourceType()))
       << "Can only transfer for navigations";
   is_transferring_ = true;
   on_transfer_complete_callback_ = on_transfer_complete_callback;
 
   int child_id = GetRequestInfo()->GetChildID();
   AppCacheInterceptor::PrepareForCrossSiteTransfer(request(), child_id);
   ServiceWorkerRequestHandler* handler =
       ServiceWorkerRequestHandler::GetHandler(request());
   if (handler)
     handler->PrepareForCrossSiteTransfer(child_id);
 }
 
-void ResourceLoader::CompleteTransfer() {
+void ResourceLoader::CompleteTransfer(
+    mojom::URLLoaderAssociatedRequest mojo_request,
+    mojom::URLLoaderClientAssociatedPtr url_loader_client) {
   // Although NavigationResourceThrottle defers at WillProcessResponse
   // (DEFERRED_READ), it may be seeing a replay of events via
   // MimeTypeResourceHandler, and so the request itself is actually deferred at
   // a later read stage.
   DCHECK(DEFERRED_READ == deferred_stage_ ||
          DEFERRED_RESPONSE_COMPLETE == deferred_stage_);
   DCHECK(is_transferring_);
   DCHECK(!on_transfer_complete_callback_.is_null());
 
   // In some cases, a process transfer doesn't really happen and the
   // request is resumed in the original process. Real transfers to a new process
   // are completed via ResourceDispatcherHostImpl::UpdateRequestForTransfer.
   int child_id = GetRequestInfo()->GetChildID();
   AppCacheInterceptor::MaybeCompleteCrossSiteTransferInOldProcess(
       request(), child_id);
   ServiceWorkerRequestHandler* handler =
       ServiceWorkerRequestHandler::GetHandler(request());
   if (handler)
     handler->MaybeCompleteCrossSiteTransferInOldProcess(child_id);
 
   is_transferring_ = false;
-  base::ResetAndReturn(&on_transfer_complete_callback_).Run();
+  base::ResetAndReturn(&on_transfer_complete_callback_)
+      .Run(std::move(mojo_request), std::move(url_loader_client));
 }
 
 ResourceRequestInfoImpl* ResourceLoader::GetRequestInfo() {
   return ResourceRequestInfoImpl::ForRequest(request_.get());
 }
 
 void ResourceLoader::ClearLoginDelegate() {
   login_delegate_ = NULL;
 }
 
@@ skipping 473 matching lines @@
     }
 
     UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", status, STATUS_MAX);
   } else if (request_->response_info().unused_since_prefetch) {
     TimeDelta total_time = base::TimeTicks::Now() - request_->creation_time();
     UMA_HISTOGRAM_TIMES("Net.Prefetch.TimeSpentOnPrefetchHit", total_time);
   }
 }
 
 }  // namespace content