Add GTX lib for accessibility testing.

Bug: 856622
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I250a7899963fa1d43aabb6419e7044677b61b975
Reviewed-on: https://chromium-review.googlesource.com/1114918
Commit-Queue: Lindsay Pasricha <lindsayw@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#585022}

.gitignore

@@ -194,6 +194,7 @@ vs-chromium-project.txt
 /ios/third_party/earl_grey/src
 /ios/third_party/fishhook/src
 /ios/third_party/gcdwebserver/src
+/ios/third_party/gtx/src
 /ios/third_party/material_components_ios/src
 /ios/third_party/material_font_disk_loader_ios/src
 /ios/third_party/material_internationalization_ios/src

DEPS

@@ -275,6 +275,11 @@ deps = {
       'condition': 'checkout_ios',
   },
 
+  'src/ios/third_party/gtx/src': {
+      'url': Var('chromium_git') + '/external/github.com/google/GTXiLib.git' + '@' + '2d2bf1408cfee8559cd672129959bba54a5cfa2b',
+      'condition': 'checkout_ios',
+  },
+
   'src/ios/third_party/firebase': {
       'packages': [
         {

ios/third_party/gtx/BUILD.gn

+# Copyright 2018 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("//build/config/ios/ios_sdk.gni")
+import("//build/config/ios/rules.gni")
+
+config("config") {
+  include_dirs = [ "src/Classes" ]
+}
+
+ios_framework_bundle("gtx") {
+  output_name = "GTX"
+  info_plist = "src/FrameworkFiles/Info.plist"
+
+  testonly = true
+  sources = [
+    "src/Classes/GTXAccessibilityTree.h",
+    "src/Classes/GTXAnalytics.h",
+    "src/Classes/GTXAnalyticsUtils.h",
+    "src/Classes/GTXAssertions.h",
+    "src/Classes/GTXCheckBlock.h",
+    "src/Classes/GTXChecking.h",
+    "src/Classes/GTXChecksCollection.h",
+    "src/Classes/GTXCommon.h",
+    "src/Classes/GTXElementBlacklist.h",
+    "src/Classes/GTXErrorReporter.h",
+    "src/Classes/GTXImageAndColorUtils.h",
+    "src/Classes/GTXImageRGBAData.h",
+    "src/Classes/GTXLogging.h",
+    "src/Classes/GTXPluginXCTestCase.h",
+    "src/Classes/GTXTestCase.h",
+    "src/Classes/GTXTestSuite.h",
+    "src/Classes/GTXToolKit.h",
+    "src/Classes/GTXiLib.h",
+    "src/Classes/GTXiLibCore.h",
+    "src/Classes/NSError+GTXAdditions.h",
+  ]
+  public_headers = [ "src/Classes/GTXiLib.h" ]
+
+  libs = [
+    "CoreGraphics.framework",
+    "Foundation.framework",
+    "QuartzCore.framework",
+    "UIKit.framework",
+    "XCTest.framework",
+  ]
+  public_configs = [ ":config" ]
+
+  configs -= [
+    "//build/config/gcc:symbol_visibility_hidden",
+    "//build/config/compiler:chromium_code",
+  ]
+  configs += [
+    "//build/config/compiler:enable_arc",
+    "//build/config/gcc:symbol_visibility_default",
+  ]
+}

ios/third_party/gtx/OWNERS

+lindsayw@google.com
+rohitrao@google.com
\ No newline at end of file

ios/third_party/gtx/README.chromium

+Name: GTXiLib
+Short Name: GTX
+URL: https://github.com/google/GTXiLib
+Version: 1
+License: Apache 2.0
+License File: NOT_SHIPPED
+Security Critical: no
+
+Description:
+Google Toolbox for Accessibility for the iOS platform or simply GTX-eye is a framework for iOS accessibility testing.
\ No newline at end of file