[Mac] Touch Bar support for default browser window state

chrome/browser/ui/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/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 2553 matching lines @@
         "cocoa/browser_window_cocoa.mm",
         "cocoa/browser_window_controller.h",
         "cocoa/browser_window_controller.mm",
         "cocoa/browser_window_controller_private.h",
         "cocoa/browser_window_controller_private.mm",
         "cocoa/browser_window_factory_cocoa.mm",
         "cocoa/browser_window_fullscreen_transition.h",
         "cocoa/browser_window_fullscreen_transition.mm",
         "cocoa/browser_window_layout.h",
         "cocoa/browser_window_layout.mm",
+        "cocoa/browser_window_touch_bar.h",
+        "cocoa/browser_window_touch_bar.mm",
         "cocoa/browser_window_utils.h",
         "cocoa/browser_window_utils.mm",
         "cocoa/bubble_combobox.h",
         "cocoa/bubble_combobox.mm",
         "cocoa/bubble_sync_promo_controller.h",
         "cocoa/bubble_sync_promo_controller.mm",
         "cocoa/bubble_view.h",
         "cocoa/bubble_view.mm",
         "cocoa/certificate_viewer_mac_cocoa.h",
         "cocoa/certificate_viewer_mac_cocoa.mm",
@@ skipping 933 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }