Bring the feedback button to the Mac sad tab

chrome/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("//chrome/common/features.gni")
@@ skipping 4483 matching lines @@
         "../browser/ui/cocoa/run_loop_testing_unittest.mm",
         "../browser/ui/cocoa/screen_capture_notification_ui_cocoa_unittest.mm",
         "../browser/ui/cocoa/spinner_view_unittest.mm",
         "../browser/ui/cocoa/sprite_view_unittest.mm",
         "../browser/ui/cocoa/status_bubble_mac_unittest.mm",
         "../browser/ui/cocoa/status_icons/status_icon_mac_unittest.mm",
         "../browser/ui/cocoa/styled_text_field_cell_unittest.mm",
         "../browser/ui/cocoa/styled_text_field_test_helper.h",
         "../browser/ui/cocoa/styled_text_field_test_helper.mm",
         "../browser/ui/cocoa/styled_text_field_unittest.mm",
-        "../browser/ui/cocoa/tab_contents/sad_tab_controller_unittest.mm",
-        "../browser/ui/cocoa/tab_contents/sad_tab_view_cocoa_unittest.mm",
+        "../browser/ui/cocoa/tab_contents/sad_tab_mac_unittest.mm",
         "../browser/ui/cocoa/tabs/alert_indicator_button_cocoa_unittest.mm",
         "../browser/ui/cocoa/tabs/tab_controller_unittest.mm",
         "../browser/ui/cocoa/tabs/tab_strip_controller_unittest.mm",
         "../browser/ui/cocoa/tabs/tab_strip_view_unittest.mm",
         "../browser/ui/cocoa/tabs/tab_view_unittest.mm",
         "../browser/ui/cocoa/toolbar/app_toolbar_button_cell_unittest.mm",
         "../browser/ui/cocoa/toolbar/reload_button_unittest.mm",
         "../browser/ui/cocoa/toolbar/toolbar_button_unittest.mm",
         "../browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm",
         "../browser/ui/cocoa/toolbar/toolbar_view_unittest.mm",
@@ skipping 454 matching lines @@
       "touch_hud",
       "ui",
     ]
 
     if (is_linux && !is_android) {
       deps += [ "//components/font_service:manifest" ]
       packaged_services += [ "font_service" ]
     }
   }
 }