Linux Aura: Added --use-system-title-bar flag.

ui/views/widget/widget.h

Index: ui/views/widget/widget.h
diff --git a/ui/views/widget/widget.h b/ui/views/widget/widget.h
index c27319226d0cdb27b88dfffb5587953678d01b5c..159d6266e49046c92efa18ac9792c382cc6de94c 100644
--- a/ui/views/widget/widget.h
+++ b/ui/views/widget/widget.h
@@ -185,9 +185,9 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
     Ownership ownership;
     bool mirror_origin_in_rtl;
     bool has_dropshadow;
-    // Only used by Windows. Specifies that the system default caption and icon
-    // should not be rendered, and that the client area should be equivalent to
-    // the window area.
+    // Specifies that the system default caption and icon should not be
+    // rendered, and that the client area should be equivalent to the window
+    // area. Only used on some platforms (Windows and Linux).
     bool remove_standard_frame;
     // Only used by ShellWindow on Windows. Specifies that the default icon of
     // packaged app should be the system default icon.