MacViews: Implement Force Touch/Mac dictionary lookup for Textfields.

ui/gfx/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/ui.gni")
 import("//testing/test.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
@@ skipping 253 matching lines @@
   ]
 
   # Text rendering conditions (complicated so separated out).
   if (use_aura || is_mac) {
     # Mac doesn't use RenderTextHarfBuzz by default yet.
     sources += [
       "harfbuzz_font_skia.cc",
       "harfbuzz_font_skia.h",
       "render_text_harfbuzz.cc",
       "render_text_harfbuzz.h",
+      "render_text_harfbuzz_mac.mm",
       "render_text_mac.h",
       "render_text_mac.mm",
       "text_utils_skia.cc",
     ]
 
     if (!is_ios) {
       sources += [
         "render_text.cc",
         "render_text.h",
       ]
@@ skipping 430 matching lines @@
 
 fuzzer_test("color_transform_fuzztest") {
   sources = [
     "color_transform_fuzzer.cc",
   ]
   deps = [
     ":gfx",
   ]
   libfuzzer_options = [ "max_len=1024" ]
 }