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

chrome/browser/download/all_download_item_notifier_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 "chrome/browser/download/all_download_item_notifier.h"
 
 #include "base/macros.h"
 #include "content/public/test/mock_download_item.h"
 #include "content/public/test/mock_download_manager.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 10 matching lines @@
   MockNotifierObserver() {
   }
   virtual ~MockNotifierObserver() {}
 
   MOCK_METHOD2(OnDownloadCreated, void(
       content::DownloadManager* manager, content::DownloadItem* item));
   MOCK_METHOD2(OnDownloadUpdated, void(
       content::DownloadManager* manager, content::DownloadItem* item));
   MOCK_METHOD2(OnDownloadOpened, void(
       content::DownloadManager* manager, content::DownloadItem* item));
+  MOCK_METHOD2(OnDownloadShown, void(
+      content::DownloadManager* manager, content::DownloadItem* item));
   MOCK_METHOD2(OnDownloadRemoved, void(
       content::DownloadManager* manager, content::DownloadItem* item));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockNotifierObserver);
 };
 
 class AllDownloadItemNotifierTest : public testing::Test {
  public:
   AllDownloadItemNotifierTest()
@@ skipping 46 matching lines @@
   EXPECT_CALL(manager(), GetAllDownloads(_))
     .WillOnce(SetArgPointee<0>(items));
   SetNotifier();
 
   EXPECT_CALL(observer(), OnDownloadUpdated(&manager(), &item()));
   NotifierAsItemObserver()->OnDownloadUpdated(&item());
 
   EXPECT_CALL(observer(), OnDownloadOpened(&manager(), &item()));
   NotifierAsItemObserver()->OnDownloadOpened(&item());
 
+  EXPECT_CALL(observer(), OnDownloadShown(&manager(), &item()));
+  NotifierAsItemObserver()->OnDownloadShown(&item());
+
   EXPECT_CALL(observer(), OnDownloadRemoved(&manager(), &item()));
   NotifierAsItemObserver()->OnDownloadRemoved(&item());
 
   EXPECT_CALL(manager(), RemoveObserver(NotifierAsManagerObserver()));
   ClearNotifier();
 }
 
 TEST_F(AllDownloadItemNotifierTest,
     AllDownloadItemNotifierTest_1) {
   EXPECT_CALL(manager(), GetAllDownloads(_));
   SetNotifier();
 
   EXPECT_CALL(observer(), OnDownloadCreated(&manager(), &item()));
   NotifierAsManagerObserver()->OnDownloadCreated(
       &manager(), &item());
 
   EXPECT_CALL(manager(), RemoveObserver(NotifierAsManagerObserver()));
   NotifierAsManagerObserver()->ManagerGoingDown(&manager());
 
   ClearNotifier();
 }