ash: Fix blank window when maximizing an app

ui/views/window/non_client_view.h

Index: ui/views/window/non_client_view.h
diff --git a/ui/views/window/non_client_view.h b/ui/views/window/non_client_view.h
index 8be4a8599b45ef67ef2ce69f9f388295eb18f495..3b6fd0b7c7574fc53ef9ccfd47662c039e335e8d 100644
--- a/ui/views/window/non_client_view.h
+++ b/ui/views/window/non_client_view.h
@@ -150,9 +150,10 @@ class VIEWS_EXPORT NonClientView : public View {
   // Called by the containing Window when it is closed.
   void WindowClosing();
 
-  // Changes the frame from native to custom depending on the value of
-  // |use_native_frame|.
-  void UpdateFrame();
+  // Replaces the frame view with a new one. Used when switching window theme
+  // or frame style. Pass true for |layout| to refresh the window layout (the
+  // common case) or false if you will trigger layout yourself.
+  void UpdateFrame(bool layout);
 
   // Prevents the window from being rendered as deactivated when |disable| is
   // true, until called with |disable| false. Used when a sub-window is to be