Fix dictionary look-up for highlighted text in Mac.

content/test/BUILD.gn

 # Copyright 2014 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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 93 matching lines @@
     "../public/test/test_service_manager_context.h",
     "../public/test/test_synchronous_compositor_android.cc",
     "../public/test/test_synchronous_compositor_android.h",
     "../public/test/test_utils.cc",
     "../public/test/test_utils.h",
     "../public/test/test_web_contents_factory.h",
     "../public/test/test_web_ui.cc",
     "../public/test/test_web_ui.h",
     "../public/test/text_input_test_utils.cc",
     "../public/test/text_input_test_utils.h",
+    "../public/test/text_input_test_utils_mac.mm",
     "../public/test/unittest_test_suite.cc",
     "../public/test/unittest_test_suite.h",
     "../public/test/web_contents_tester.cc",
     "../public/test/web_contents_tester.h",
     "accessibility_browser_test_utils.cc",
     "accessibility_browser_test_utils.h",
     "appcache_test_helper.cc",
     "appcache_test_helper.h",
     "blink_test_environment.cc",
     "blink_test_environment.h",
@@ skipping 1562 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }