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 ce14d7c5bffa39a3b250e75876610accba159255..adb3bfffd88ac309739edb3c342a05d535b99c58 100644
--- a/ui/views/widget/widget.h
+++ b/ui/views/widget/widget.h
@@ -189,9 +189,9 @@ 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.