WIP - Gutterless resize on Windows

ui/base/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/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
@@ skipping 235 matching lines @@
     "win/scoped_ole_initializer.cc",
     "win/scoped_ole_initializer.h",
     "win/shell.cc",
     "win/shell.h",
     "win/touch_input.cc",
     "win/touch_input.h",
     "win/window_event_target.cc",
     "win/window_event_target.h",
     "window_open_disposition.cc",
     "window_open_disposition.h",
+    "window_resize_helper.cc",
+    "window_resize_helper.h",
     "work_area_watcher_observer.h",
   ]
 
   if (!is_ios) {
     sources += [
       "accelerators/accelerator.cc",
       "accelerators/accelerator.h",
       "accelerators/accelerator_history.cc",
       "accelerators/accelerator_history.h",
       "accelerators/accelerator_manager.cc",
@@ skipping 625 matching lines @@
   }
   if (is_mac) {
     data += [ "$root_out_dir/ui_unittests Framework.framework/" ]
 
     if (is_asan && symbol_level == 0) {
       data += [ "$root_out_dir/ui_base_unittests.dSYM/" ]
     }
   }
 }
 # TODO(GYP) Mac (ui_base_tests_bundle)