Preliminary work on resuming downloads whose connections have expired.

chrome/browser/gtk/download_item_gtk.cc

Index: chrome/browser/gtk/download_item_gtk.cc
diff --git a/chrome/browser/gtk/download_item_gtk.cc b/chrome/browser/gtk/download_item_gtk.cc
index 02edbad0edb59943ab7b340347729ff03f2909c7..6ce4398c830e996930eee8e6208b7993ee2978a1 100644
--- a/chrome/browser/gtk/download_item_gtk.cc
+++ b/chrome/browser/gtk/download_item_gtk.cc
@@ -352,6 +352,7 @@ void DownloadItemGtk::OnDownloadUpdated(DownloadItem* download) {
       parent_shelf_->RemoveDownloadItem(this);  // This will delete us!
       return;
     case DownloadItem::CANCELLED:
+    case DownloadItem::INTERRUPTED:
       StopDownloadProgress();
       gtk_widget_queue_draw(progress_area_.get());
       break;
@@ -855,7 +856,7 @@ void DownloadItemGtk::OnDangerousAccept(GtkWidget* button) {
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - creation_time_);
-  if (get_download()->state() == DownloadItem::IN_PROGRESS)
+  if (get_download()->IsPartialDownload())
     get_download()->Cancel(true);
   get_download()->Remove(true);
 }