[ios] Remove IDC_CLOSE_TAB

ios/chrome/browser/ui/bookmarks/bookmarks_egtest.mm

 // Copyright 2016 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 <vector>
 
 #import <EarlGrey/EarlGrey.h>
 #import <UIKit/UIKit.h>
 #import <XCTest/XCTest.h>
 
@@ skipping 196 matching lines @@
       assertWithMatcher:grey_notNil()];
 
   // TODO(crbug.com/617652): This code should be removed when a common helper
   // is added to close any menus, which should be run as test setup.
   if (IsCompact()) {
     [[EarlGrey selectElementWithMatcher:CloseToolsMenuButton()]
         performAction:grey_tap()];
   }
 
   // Close the opened tab.
-  GenericChromeCommand* command =
-      [[GenericChromeCommand alloc] initWithTag:IDC_CLOSE_TAB];
-  chrome_test_util::RunCommandWithActiveViewController(command);
+  [chrome_test_util::BrowserCommandDispatcherForMainBVC() closeCurrentTab];
 }
 
 // Tests that tapping a bookmark on the NTP navigates to the proper URL.
 - (void)testTapBookmark {
   const GURL bookmarkURL = web::test::HttpServer::MakeUrl(
       "http://ios/testing/data/http_server_files/destination.html");
   NSString* bookmarkTitle = @"smokeTapBookmark";
 
   // Load a bookmark into the bookmark model.
   [BookmarksTestCase addBookmark:bookmarkURL withTitle:bookmarkTitle];
@@ skipping 1459 matching lines @@
   if (!IsCompact()) {
     [[EarlGrey selectElementWithMatcher:StarButton()] performAction:grey_tap()];
   } else {
     [ChromeEarlGreyUI openToolsMenu];
     [[EarlGrey selectElementWithMatcher:AddBookmarkButton()]
         performAction:grey_tap()];
   }
 }
 
 @end