[Mac] DownloadShelf should be notified when autoclosing.

chrome/browser/ui/gtk/download/download_shelf_gtk.cc

Index: chrome/browser/ui/gtk/download/download_shelf_gtk.cc
diff --git a/chrome/browser/ui/gtk/download/download_shelf_gtk.cc b/chrome/browser/ui/gtk/download/download_shelf_gtk.cc
index d5a2aa569292af47f581844d32ef903f6594a9d2..4dbb12884c7f7df796ac07d0afa8e4d0d98f6fd2 100644
--- a/chrome/browser/ui/gtk/download/download_shelf_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_shelf_gtk.cc
@@ -198,7 +198,7 @@ void DownloadShelfGtk::DoShow() {
   CancelAutoClose();
 }
 
-void DownloadShelfGtk::DoClose() {
+void DownloadShelfGtk::DoClose(CloseReason reason) {
   // When we are closing, we can vertically overlap the render view. Make sure
   // we are on top.
   gdk_window_raise(gtk_widget_get_window(shelf_.get()));
@@ -210,7 +210,7 @@ void DownloadShelfGtk::DoClose() {
       ++num_in_progress;
   }
   download_util::RecordShelfClose(
-      download_items_.size(), num_in_progress, close_on_mouse_out_);
+      download_items_.size(), num_in_progress, reason == AUTOMATIC);
   SetCloseOnMouseOut(false);
 }
 
@@ -306,7 +306,7 @@ void DownloadShelfGtk::MaybeShowMoreDownloadItems() {
 
 void DownloadShelfGtk::OnButtonClick(GtkWidget* button) {
   if (button == close_button_->widget()) {
-    Close();
+    Close(USER_ACTION);
   } else {
     // The link button was clicked.
     chrome::ShowDownloads(browser_);
@@ -396,7 +396,8 @@ void DownloadShelfGtk::MouseLeftShelf() {
 
   MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
-      base::Bind(&DownloadShelfGtk::Close, weak_factory_.GetWeakPtr()),
+      base::Bind(&DownloadShelfGtk::Close, weak_factory_.GetWeakPtr(),
+                 AUTOMATIC),
       base::TimeDelta::FromMilliseconds(kAutoCloseDelayMs));
 }