Download shelf autohides on showing in shell, just same as regular open

chrome/browser/ui/cocoa/download/download_shelf_controller.mm

Index: chrome/browser/ui/cocoa/download/download_shelf_controller.mm
diff --git a/chrome/browser/ui/cocoa/download/download_shelf_controller.mm b/chrome/browser/ui/cocoa/download/download_shelf_controller.mm
index 51c70f7d44dc904954a25c729fa5191ea0bddce2..4b2fa10c80cd71cab0fc69d0bed7bc25a8ecf02b 100644
--- a/chrome/browser/ui/cocoa/download/download_shelf_controller.mm
+++ b/chrome/browser/ui/cocoa/download/download_shelf_controller.mm
@@ -7,6 +7,7 @@
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
+#include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_stats.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_service.h"
@@ -215,6 +216,12 @@ const NSSize kHoverCloseButtonDefaultSize = { 18, 18 };
   [self maybeAutoCloseAfterDelay];
 }
 
+- (void)downloadWasShown:(DownloadItemController*)item_controller {
+  // This should only be called on the main thead.
+  DCHECK([NSThread isMainThread]);
+  [self maybeAutoCloseAfterDelay];
+}
+
 // We need to explicitly release our download controllers here since they need
 // to remove themselves as observers before the remaining shutdown happens.
 - (void)exiting {
@@ -380,9 +387,9 @@ const NSSize kHoverCloseButtonDefaultSize = { 18, 18 };
       [self removeDownload:itemController
             isShelfClosing:YES];
     } else {
-      // Treat the item as opened when we close. This way if we get shown again
+      // Treat the item as 'acted' when we close. This way if we get shown again
       // the user need not open this item for the shelf to auto-close.
-      download->SetOpened(true);
+      DownloadItemModel(download).SetUserActed(true);
       ++i;
     }
   }
@@ -427,7 +434,8 @@ const NSSize kHoverCloseButtonDefaultSize = { 18, 18 };
   for (NSUInteger i = 0; i < [downloadItemControllers_ count]; ++i) {
     DownloadItemController* itemController =
         [downloadItemControllers_ objectAtIndex:i];
-    if (![itemController download]->GetOpened())
+    DownloadItem* download = [itemController download];
+    if (!DownloadItemModel(download).GetUserActed())
       return;
   }