[EG2] Migrate device check egtest to EG2 and create test suite.

Essential changes in test and BUILD.gn files.

Bug: 987646
Change-Id: I0db4f63318ddc6b72eb6d26a410600ffc3985aaf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2027128
Commit-Queue: Zhaoyang Li <zhaoyangli@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736541}

ios/chrome/test/earl_grey/BUILD.gn

@@ -130,10 +130,12 @@ chrome_ios_eg_test("ios_chrome_perf_egtests") {
 }
 
 chrome_ios_eg_test("ios_chrome_device_check_egtests") {
+  defines = [ "CHROME_EARL_GREY_1" ]
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [ "device_check_egtest.mm" ]
   deps = [
     ":test_support",
+    "//ios/testing/earl_grey:earl_grey_support",
     "//ios/third_party/earl_grey:earl_grey+link",
     "//url",
   ]
@@ -169,6 +171,25 @@ chrome_ios_eg_test("ios_chrome_translate_egtests") {
   deps = [ "//ios/chrome/browser/translate:eg_tests" ]
 }
 
+# This target is only used in routinely device checks. Thus, the target name is
+# different from other EG2 tests.
+source_set("device_check_eg2_tests") {
+  defines = [ "CHROME_EARL_GREY_2" ]
+  configs += [
+    "//build/config/compiler:enable_arc",
+    "//build/config/ios:xctest_config",
+  ]
+  testonly = true
+  sources = [ "device_check_egtest.mm" ]
+  deps = [
+    ":eg_test_support+eg2",
+    "//ios/testing/earl_grey:eg_test_support+eg2",
+    "//ios/third_party/earl_grey2:test_lib",
+    "//url",
+  ]
+  libs = [ "UIKit.framework" ]
+}
+
 source_set("test_support") {
   defines = [ "CHROME_EARL_GREY_1" ]
   configs += [ "//build/config/compiler:enable_arc" ]

ios/chrome/test/earl_grey/device_check_egtest.mm

@@ -2,11 +2,9 @@
 // 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>
-
 #import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
 #import "ios/chrome/test/earl_grey/chrome_test_case.h"
+#import "ios/testing/earl_grey/earl_grey_test.h"
 #include "url/gurl.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)

ios/chrome/test/earl_grey2/BUILD.gn

@@ -11,6 +11,7 @@ group("all_tests") {
   deps = [
     ":ios_chrome_autofill_automation_eg2tests_module",
     ":ios_chrome_bookmarks_eg2tests_module",
+    ":ios_chrome_device_check_eg2tests_module",
     ":ios_chrome_eg2tests",
     ":ios_chrome_integration_eg2tests_module",
     ":ios_chrome_settings_eg2tests_module",
@@ -35,6 +36,12 @@ chrome_ios_eg2_test("ios_chrome_bookmarks_eg2tests_module") {
   deps = [ "//ios/chrome/browser/ui/bookmarks:eg2_tests" ]
 }
 
+chrome_ios_eg2_test("ios_chrome_device_check_eg2tests_module") {
+  xcode_test_application_name = "ios_chrome_eg2tests"
+
+  deps = [ "//ios/chrome/test/earl_grey:device_check_eg2_tests" ]
+}
+
 chrome_ios_eg2_test("ios_chrome_integration_eg2tests_module") {
   xcode_test_application_name = "ios_chrome_eg2tests"