[Mac] DownloadShelf should be notified when autoclosing.

chrome/browser/download/download_shelf_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/run_loop.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/test_download_shelf.h"
@@ skipping 66 matching lines @@
   EXPECT_TRUE(shelf()->IsShowing());
   shelf()->Hide();
   EXPECT_FALSE(shelf()->IsShowing());
   shelf()->Unhide();
   EXPECT_TRUE(shelf()->IsShowing());
 }
 
 TEST_F(DownloadShelfTest, CloseWhileHiddenPreventsShowOnUnhide) {
   shelf()->Show();
   shelf()->Hide();
-  shelf()->Close();
+  shelf()->Close(DownloadShelf::AUTOMATIC);
   shelf()->Unhide();
   EXPECT_FALSE(shelf()->IsShowing());
 }
 
 TEST_F(DownloadShelfTest, UnhideDoesntShowIfNotShownOnHide) {
   shelf()->Hide();
   shelf()->Unhide();
   EXPECT_FALSE(shelf()->IsShowing());
 }
 
@@ skipping 78 matching lines @@
       .WillRepeatedly(Return(false));
   ASSERT_FALSE(DownloadItemModel(download_item())
                .ShouldRemoveFromShelfWhenComplete());
 
   base::RunLoop run_loop;
   run_loop.RunUntilIdle();
 
   EXPECT_TRUE(shelf()->did_add_download());
   EXPECT_TRUE(shelf()->IsShowing());
 }