Refactor WindowFinder definition

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 1839 matching lines @@
       if (use_aura) {
         deps += [
           "//services/ui/public/cpp",
           "//services/ui/public/interfaces",
         ]
       }
 
       # TODO(ellyjones): Mus is not supported on Mac (there is no ui::Window
       # apart from aura::Window, which is also not supported).
       if (!is_mac) {
-        sources += [
-          "views/tabs/window_finder_mus.cc",
-          "views/tabs/window_finder_mus.h",
-        ]
+        sources += [ "views/tabs/window_finder_mus.cc" ]
 
         deps += [ "//ui/views/mus" ]
       }
     }
     if (use_ash) {
       sources += [
         "views/frame/browser_frame_ash.cc",
         "views/frame/browser_frame_ash.h",
         "views/frame/browser_header_painter_ash.cc",
         "views/frame/browser_header_painter_ash.h",
@@ skipping 1542 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" ]
   }
 }