Force a WM_NCCALCSIZE to occur when we receive a WM_DISPLAYCHANGE notification.

ui/views/win/hwnd_message_handler.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/views/win/hwnd_message_handler.h"
 
 #include <dwmapi.h>
 #include <oleacc.h>
 #include <shellapi.h>
 
@@ skipping 1296 matching lines @@
 }
 
 void HWNDMessageHandler::OnDestroy() {
   windows_session_change_observer_.reset(nullptr);
   delegate_->HandleDestroying();
 }
 
 void HWNDMessageHandler::OnDisplayChange(UINT bits_per_pixel,
                                          const gfx::Size& screen_size) {
   delegate_->HandleDisplayChange();
+  SendFrameChanged();
 }
 
 LRESULT HWNDMessageHandler::OnDwmCompositionChanged(UINT msg,
                                                     WPARAM w_param,
                                                     LPARAM l_param) {
   if (!delegate_->IsWidgetWindow()) {
     SetMsgHandled(FALSE);
     return 0;
   }
 
@@ skipping 1223 matching lines @@
 
     default:
       left_button_down_on_caption_ = false;
       break;
   }
   return handled;
 }
 
 
 }  // namespace views