Replace the DownloadFileManager with direct ownership of DownloadFileImpl

content/browser/download/save_package.cc

Index: content/browser/download/save_package.cc
diff --git a/content/browser/download/save_package.cc b/content/browser/download/save_package.cc
index 1ec2a61375f606db8030d9eee0fdcd80fa4502d3..cc02d9c6f5193aa8602e8092b6dbcaa9d77709db 100644
--- a/content/browser/download/save_package.cc
+++ b/content/browser/download/save_package.cc
@@ -340,10 +340,11 @@ void SavePackage::OnMHTMLGenerated(const FilePath& path, int64 size) {
   // with SavePackage flow.
   if (download_->IsInProgress()) {
     download_->SetTotalBytes(size);
+    download_->UpdateProgress(size, 0, "");
     // Must call OnAllDataSaved here in order for
     // GDataDownloadObserver::ShouldUpload() to return true.
     // ShouldCompleteDownload() may depend on the gdata uploader to finish.
-    download_->OnAllDataSaved(size, DownloadItem::kEmptyFileHash);
+    download_->OnAllDataSaved(DownloadItem::kEmptyFileHash);
   }
 
   if (!download_manager_->GetDelegate()) {
@@ -757,8 +758,8 @@ void SavePackage::Finish() {
     // with SavePackage flow.
     if (download_->IsInProgress()) {
       if (save_type_ != content::SAVE_PAGE_TYPE_AS_MHTML) {
-        download_->OnAllDataSaved(all_save_items_count_,
-                                  DownloadItem::kEmptyFileHash);
+        download_->UpdateProgress(all_save_items_count_, CurrentSpeed(), "");
+        download_->OnAllDataSaved(DownloadItem::kEmptyFileHash);
       }
       download_->MarkAsComplete();
     }