sql::MetaTable.next_download_id, DownloadManager::GetNextId()

content/browser/renderer_host/resource_dispatcher_host.cc

 // Copyright (c) 2011 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 
 #include <set>
 #include <vector>
@@ skipping 685 matching lines @@
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       NewRunnableFunction(&download_util::NotifyDownloadInitiated,
                           child_id, route_id));
 
   net::URLRequest* request = new net::URLRequest(url, this);
 
   request_id_--;
 
+  DownloadId dl_id;
+  void* next_download_id_thunk = context.GetUserData(reinterpret_cast<void*>(
+      BASE_HASH_NAMESPACE::hash<std::string>()("next_download_id_thunk")));
+  if (next_download_id_thunk != NULL) {
+    dl_id = reinterpret_cast<DownloadManager::GetNextIdThunkType*>(
+        next_download_id_thunk)->Run();
+  }
+
   scoped_refptr<ResourceHandler> handler(
       new DownloadResourceHandler(this,
                                   child_id,
                                   route_id,
                                   request_id_,
                                   url,
+                                  dl_id,
                                   download_file_manager_.get(),
                                   request,
                                   prompt_for_save_location,
                                   save_info));
 
   if (delegate_) {
     handler = delegate_->DownloadStarting(handler, context, child_id,
                                           route_id);
   }
 
   const net::URLRequestContext* request_context = context.request_context();
 
   if (!request_context->job_factory()->IsHandledURL(url)) {
     VLOG(1) << "Download request for unsupported protocol: "
             << url.possibly_invalid_spec();
     return;
   }
 
   request->set_method("GET");
   request->set_referrer(MaybeStripReferrer(referrer).spec());
-  request->set_context(context.request_context());
+  request->set_context(request_context);
   request->set_load_flags(request->load_flags() |
       net::LOAD_IS_DOWNLOAD);
 
   ResourceDispatcherHostRequestInfo* extra_info =
       CreateRequestInfoForBrowserRequest(
           handler, child_id, route_id, true, context);
   SetRequestInfo(request, extra_info);  // Request takes ownership.
 
   BeginRequestInternal(request);
 }
@@ skipping 1342 matching lines @@
   return HTTP_AUTH_RESOURCE_BLOCKED_CROSS;
 }
 
 bool ResourceDispatcherHost::allow_cross_origin_auth_prompt() {
   return allow_cross_origin_auth_prompt_;
 }
 
 void ResourceDispatcherHost::set_allow_cross_origin_auth_prompt(bool value) {
   allow_cross_origin_auth_prompt_ = value;
 }