Fixed detection of WS_OVERLAPPED windows, bug introduced in change 6561311.

ui/views/win/hwnd_message_handler.cc

Index: ui/views/win/hwnd_message_handler.cc
diff --git a/ui/views/win/hwnd_message_handler.cc b/ui/views/win/hwnd_message_handler.cc
index 08e337f7ac4cf8cce5cd45de4a948a6f377faef0..fe562a7c904c9d74739fc01d28174c360a6028e0 100644
--- a/ui/views/win/hwnd_message_handler.cc
+++ b/ui/views/win/hwnd_message_handler.cc
@@ -871,7 +871,8 @@ void HWNDMessageHandler::SetFullscreen(bool fullscreen) {
 void HWNDMessageHandler::SizeConstraintsChanged() {
   LONG style = GetWindowLong(hwnd(), GWL_STYLE);
   // Ignore if this is not a standard window.
-  if (!(style & WS_OVERLAPPED))
+  // WS_OVERLAPPED is just the *absence* of WS_POPUP and WS_CHILD.
+  if ((style & (WS_POPUP | WS_CHILD)) == WS_OVERLAPPED)
     return;
 
   if (delegate_->CanResize()) {