Create ChromeEarlGrey waitForWebViewContainingText.

ios/web/BUILD.gn

 # Copyright 2015 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("//ios/build/config.gni")
 import("//ios/web/js_compile.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
 group("all_tests") {
@@ skipping 448 matching lines @@
     "public/test/test_redirect_observer.mm",
     "public/test/test_web_thread.h",
     "public/test/test_web_thread_bundle.h",
     "public/test/url_test_util.h",
     "public/test/web_js_test.h",
     "public/test/web_test.h",
     "public/test/web_test.mm",
     "public/test/web_test_suite.h",
     "public/test/web_test_with_web_state.h",
     "public/test/web_test_with_web_state.mm",
+    "public/test/web_view_content_test_util.h",
+    "public/test/web_view_content_test_util.mm",
     "public/test/web_view_interaction_test_util.h",
     "public/test/web_view_interaction_test_util.mm",
     "test/crw_fake_web_controller_observer.h",
     "test/crw_fake_web_controller_observer.mm",
     "test/test_url_constants.cc",
     "test/test_url_constants.h",
     "test/test_web_thread.cc",
     "test/test_web_thread_bundle.cc",
     "test/url_test_util.mm",
     "test/web_int_test.h",
@@ skipping 245 matching lines @@
     "ios_web_resources.pak",
   ]
   grit_flags = [
     "-E",
     "root_gen_dir=" + rebase_path(root_gen_dir, root_build_dir),
   ]
   deps = [
     "//mojo/public/js:bindings",
   ]
 }