Fix stale display work_area on windows

ui/display/win/screen_win.cc

 // Copyright (c) 2012 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.
 
 #include "ui/display/win/screen_win.h"
 
 #include <windows.h>
 #include <shellscalingapi.h>
 
 #include <algorithm>
@@ skipping 470 matching lines @@
 }
 
 int ScreenWin::GetSystemMetrics(int metric) const {
   return ::GetSystemMetrics(metric);
 }
 
 void ScreenWin::OnWndProc(HWND hwnd,
                           UINT message,
                           WPARAM wparam,
                           LPARAM lparam) {
-  if (message != WM_DISPLAYCHANGE)
+  if (message != WM_DISPLAYCHANGE &&
+    !(message == WM_SETTINGCHANGE && wparam == SPI_SETWORKAREA))
     return;
 
   std::vector<Display> old_displays = std::move(displays_);
   UpdateFromDisplayInfos(GetDisplayInfosFromSystem());
   change_notifier_.NotifyDisplaysChanged(old_displays, displays_);
 }
 
 ScreenWinDisplay ScreenWin::GetScreenWinDisplayNearestHWND(HWND hwnd)
     const {
   return GetScreenWinDisplay(MonitorInfoFromWindow(hwnd,
@@ skipping 90 matching lines @@
     if (std::find(unique_scale_factors.begin(), unique_scale_factors.end(),
                   reported_scale) == unique_scale_factors.end()) {
       unique_scale_factors.push_back(reported_scale);
       UMA_HISTOGRAM_SPARSE_SLOWLY("UI.DeviceScale", reported_scale);
     }
   }
 }
 
 }  // namespace win
 }  // namespace display