Download code cleanup:

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 6744af070dbd2a00c7278500e5a61ac2cf3608d2..7a68dc1fcf0ca7d446d835e7a02a8e09f5bd2dbb 100644
--- a/chrome/browser/gtk/download_item_gtk.cc
+++ b/chrome/browser/gtk/download_item_gtk.cc
@@ -781,15 +781,7 @@ gboolean DownloadItemGtk::OnExpose(GtkWidget* widget, GdkEventExpose* e) {
 void DownloadItemGtk::OnClick(GtkWidget* widget) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.open_download",
                            base::Time::Now() - creation_time_);
-
-  DownloadItem* download = get_download();
-
-  if (download->state() == DownloadItem::IN_PROGRESS) {
-    download->set_open_when_complete(
-        !download->open_when_complete());
-  } else if (download->state() == DownloadItem::COMPLETE) {
-    download_util::OpenDownload(download);
-  }
+  get_download()->OpenDownload();
 }
 
 gboolean DownloadItemGtk::OnProgressAreaExpose(GtkWidget* widget,
@@ -858,7 +850,7 @@ gboolean DownloadItemGtk::OnDangerousPromptExpose(GtkWidget* widget,
 void DownloadItemGtk::OnDangerousAccept(GtkWidget* button) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.save_download",
                            base::Time::Now() - creation_time_);
-  get_download()->manager()->DangerousDownloadValidated(get_download());
+  get_download()->DangerousDownloadValidated();
 }
 
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button) {