PlzNavigate: provide the FrameTreeNode ID to the network stack

content/browser/download/download_resource_handler.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/download/download_resource_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 110 matching lines @@
       on_response_started_called_(false) {
   RecordDownloadCount(UNTHROTTLED_COUNT);
 
   // Do UI thread initialization for tab_info_ asap after
   // DownloadResourceHandler creation since the tab could be navigated
   // before StartOnUIThread gets called.  This is safe because deletion
   // will occur via PostTask() as well, which will serialized behind this
   // PostTask()
   const ResourceRequestInfoImpl* request_info = GetRequestInfo();
   BrowserThread::PostTask(
-      BrowserThread::UI,
-      FROM_HERE,
+      BrowserThread::UI, FROM_HERE,
       base::Bind(&InitializeDownloadTabInfoOnUIThread,
-                 DownloadRequestHandle(AsWeakPtr(),
-                                       request_info->GetChildID(),
+                 DownloadRequestHandle(AsWeakPtr(), request_info->GetChildID(),
                                        request_info->GetRouteID(),
-                                       request_info->GetRequestID()),
+                                       request_info->GetRequestID(),
+                                       request_info->frame_tree_node_id()),
                  tab_info_.get()));
   power_save_blocker_ = PowerSaveBlocker::Create(
       PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
       PowerSaveBlocker::kReasonOther, "Download in progress");
 }
 
 bool DownloadResourceHandler::OnUploadProgress(uint64 position,
                                                uint64 size) {
   return true;
 }
@@ skipping 53 matching lines @@
   info->download_id = download_id_;
   info->url_chain = request()->url_chain();
   info->referrer_url = GURL(request()->referrer());
   info->mime_type = response->head.mime_type;
   info->remote_address = request()->GetSocketAddress().host();
   request()->GetResponseHeaderByName("content-disposition",
                                      &info->content_disposition);
   RecordDownloadMimeType(info->mime_type);
   RecordDownloadContentDisposition(info->content_disposition);
 
-  info->request_handle =
-      DownloadRequestHandle(AsWeakPtr(), request_info->GetChildID(),
-                            request_info->GetRouteID(),
-                            request_info->GetRequestID());
+  info->request_handle = DownloadRequestHandle(
+      AsWeakPtr(), request_info->GetChildID(), request_info->GetRouteID(),
+      request_info->GetRequestID(), request_info->frame_tree_node_id());
 
   // Get the last modified time and etag.
   const net::HttpResponseHeaders* headers = request()->response_headers();
   if (headers) {
     if (headers->HasStrongValidators()) {
       // If we don't have strong validators as per RFC 2616 section 13.3.3, then
       // we neither store nor use them for range requests.
       if (!headers->EnumerateHeader(NULL, "Last-Modified",
                                     &info->last_modified))
         info->last_modified.clear();
@@ skipping 313 matching lines @@
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&DeleteOnUIThread, base::Passed(&tab_info_)));
   }
 
   UMA_HISTOGRAM_TIMES("SB2.DownloadDuration",
                       base::TimeTicks::Now() - download_start_time_);
 }
 
 }  // namespace content