[Mac] Fix rough-looking profile picker text, especially with a dark theme.

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 4582 matching lines @@
         "../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_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_background_view_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/test/cocoa_profile_test.h",
         "../browser/ui/cocoa/test/cocoa_profile_test.mm",
         "../browser/ui/cocoa/test/run_loop_testing_unittest.mm",
         "../browser/ui/cocoa/test/styled_text_field_test_helper.h",
         "../browser/ui/cocoa/test/styled_text_field_test_helper.mm",
         "../browser/ui/cocoa/toolbar/app_toolbar_button_cell_unittest.mm",
         "../browser/ui/cocoa/toolbar/reload_button_unittest.mm",
@@ skipping 473 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }