Added net logging to DownloadItem.

content/browser/download/download_manager_impl.cc

Index: content/browser/download/download_manager_impl.cc
diff --git a/content/browser/download/download_manager_impl.cc b/content/browser/download/download_manager_impl.cc
index a237f9765a5addf512ef92f07ed52d80459125ba..edcfb5f3f587aac986e429a13324c3c734a46400 100644
--- a/content/browser/download/download_manager_impl.cc
+++ b/content/browser/download/download_manager_impl.cc
@@ -411,7 +411,7 @@ DownloadItem* DownloadManagerImpl::CreateSavePackageDownloadItem(
     bool is_otr,
     DownloadItem::Observer* observer) {
   DownloadItem* download = new DownloadItemImpl(
-      this, main_file_path, page_url, is_otr, GetNextId());
+      this, main_file_path, page_url, is_otr, GetNextId(), NULL);
 
   download->AddObserver(observer);
 
@@ -949,7 +949,7 @@ void DownloadManagerImpl::OnPersistentStoreQueryComplete(
 
   for (size_t i = 0; i < entries->size(); ++i) {
     DownloadItem* download = new DownloadItemImpl(
-        this, GetNextId(), entries->at(i));
+        this, GetNextId(), entries->at(i), NULL);
     CHECK_96627(!ContainsKey(history_downloads_, download->GetDbHandle()));
     downloads_.insert(download);
     history_downloads_[download->GetDbHandle()] = download;