Update how longpress is done in testOpenLinkInNewTab.

ios/chrome/browser/metrics/tab_usage_recorder_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.
 
 #import <EarlGrey/EarlGrey.h>
 #import <XCTest/XCTest.h>
 
 #include "base/mac/bind_objc_block.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "base/test/ios/wait_util.h"
 #include "components/strings/grit/components_strings.h"
 #include "ios/chrome/browser/experimental_flags.h"
 #import "ios/chrome/browser/metrics/tab_usage_recorder.h"
 #import "ios/chrome/browser/ui/settings/privacy_collection_view_controller.h"
 #import "ios/chrome/browser/ui/settings/settings_collection_view_controller.h"
 #import "ios/chrome/browser/ui/toolbar/toolbar_controller.h"
 #include "ios/chrome/browser/ui/tools_menu/tools_menu_constants.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/chrome/test/app/chrome_test_util.h"
 #import "ios/chrome/test/app/histogram_test_util.h"
 #include "ios/chrome/test/app/navigation_test_util.h"
 #import "ios/chrome/test/app/tab_test_util.h"
 #include "ios/chrome/test/app/web_view_interaction_test_util.h"
+#import "ios/chrome/test/earl_grey/chrome_actions.h"
 #import "ios/chrome/test/earl_grey/chrome_assertions.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey_ui.h"
 #import "ios/chrome/test/earl_grey/chrome_matchers.h"
 #import "ios/chrome/test/earl_grey/chrome_test_case.h"
 #import "ios/testing/wait_util.h"
 #import "ios/web/public/test/earl_grey/web_view_matchers.h"
 #import "ios/web/public/test/http_server.h"
 #import "ios/web/public/test/http_server_util.h"
 #include "ios/web/public/test/response_providers/delayed_response_provider.h"
@@ skipping 795 matching lines @@
       destinationURL.spec().c_str());
   responses[destinationURL] = "Whee!";
   web::test::SetUpHttpServer(base::MakeUnique<HtmlResponseProvider>(responses));
   chrome_test_util::HistogramTester histogramTester;
   ResetTabUsageRecorder();
 
   // Open a tab with a link to click.
   NewMainTabWithURL(initialURL, "link");
 
   int numberOfTabs = chrome_test_util::GetMainTabCount();
-  [[EarlGrey
-      selectElementWithMatcher:chrome_test_util::WebViewContainingText("link")]
-      performAction:grey_longPress()];
+  id<GREYMatcher> webViewMatcher =
+      web::WebViewInWebState(chrome_test_util::GetCurrentWebState());
+  [[EarlGrey selectElementWithMatcher:webViewMatcher]
+      performAction:chrome_test_util::LongPressElementForContextMenu(
+                        "link", true /* menu should appear */)];
 
   [[EarlGrey selectElementWithMatcher:OpenLinkInNewTabButton()]
       performAction:grey_tap()];
   chrome_test_util::AssertMainTabCount(numberOfTabs + 1);
 
   SelectTabUsingUI(base::SysUTF8ToNSString(destinationURL.GetContent()));
 
   [[GREYUIThreadExecutor sharedInstance] drainUntilIdle];
   [[EarlGrey
       selectElementWithMatcher:chrome_test_util::WebViewContainingText("Whee")]
@@ skipping 71 matching lines @@
     [[GREYUIThreadExecutor sharedInstance] drainUntilIdle];
   }
   // The deleted tabs are purged during foregrounding and backgrounding.
   chrome_test_util::SimulateTabsBackgrounding();
   // Make sure |evicted_tabs_| purged the deleted tabs.
   int evicted = chrome_test_util::GetEvictedMainTabCount();
   GREYAssertEqual(evicted, 0, @"Check number of evicted tabs");
 }
 
 @end