Componentize NativeAppWindowViews

apps/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/features.gni")
 import("//build/config/ui.gni")
 
 static_library("apps") {
   sources = [
     "app_lifetime_monitor.cc",
@@ skipping 40 matching lines @@
   if (!enable_extensions) {
     # When extensions are disabled, only the sizer file below is included.
     deps -= [ "//chrome/browser/extensions" ]
     sources = []
   }
 
   if (toolkit_views) {
     sources += [
       "ui/views/app_window_frame_view.cc",
       "ui/views/app_window_frame_view.h",
-      "ui/views/native_app_window_views.cc",
-      "ui/views/native_app_window_views.h",
     ]
     deps += [
       "//ui/strings",
       "//ui/views",
     ]
   }
 
   if (is_win) {
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     cflags = [ "/wd4267" ]
   }
 }