Update window region after widget resizes not changing HWND size

ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc

Index: ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
index 82ad88a204e428432f3bbf43e73572eac369b064..752d97dec9703fa319c06c09736f22dd7bcb9908 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
@@ -491,7 +491,7 @@ void DesktopWindowTreeHostWin::SetBounds(const gfx::Rect& bounds) {
   // The client area size may have changed even though the window bounds have
   // not, if the window bounds were expanded to 64 pixels both times.
   if (old_hwnd_size == new_expanded.size() && old_content_size != bounds.size())
-    HandleClientSizeChanged(new_expanded.size());
+    message_handler_->ForceWindowResized();
 }
 
 gfx::Point DesktopWindowTreeHostWin::GetLocationOnNativeScreen() const {