[ObjC ARC] Converts ios/chrome/browser/ui/tools_menu:eg_tests to ARC.

ios/chrome/browser/ui/tools_menu/tools_popup_menu_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/strings/sys_string_conversions.h"
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/ui/chrome_web_view_factory.h"
 #import "ios/chrome/browser/ui/toolbar/toolbar_controller.h"
 #import "ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/chrome/test/earl_grey/accessibility_util.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/web/public/test/http_server.h"
 #include "ios/web/public/test/http_server_util.h"
 #include "ios/web/public/test/response_providers/data_response_provider.h"
 #include "ui/base/l10n/l10n_util.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace {
 
 // A ResponseProvider that provides user agent for httpServer request.
 class UserAgentResponseProvider : public web::DataResponseProvider {
  public:
   bool CanHandleRequest(const Request& request) override { return true; }
 
   void GetResponseHeadersAndBody(
       const Request& request,
       scoped_refptr<net::HttpResponseHeaders>* headers,
@@ skipping 130 matching lines @@
 
 // Open tools menu and verify elements are accessible.
 - (void)testAccessibilityOnToolsMenu {
   [ChromeEarlGreyUI openToolsMenu];
   chrome_test_util::VerifyAccessibilityForCurrentScreen();
   // Close Tools menu.
   [ChromeTestCase removeAnyOpenMenusAndInfoBars];
 }
 
 @end