[MD] fix bookmark bar/URL bar drag image color for OTR mode.

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 80aaddee1a61610b0e154cd8da5cd3398c35f69d..54c6d29c959ad5f4389247bc84fe1f0236c5979b 100644
--- a/ui/views/widget/widget.h
+++ b/ui/views/widget/widget.h
@@ -209,13 +209,12 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
     WidgetDelegate* delegate;
     bool child;
     // If TRANSLUCENT_WINDOW, the widget may be fully or partially transparent.
-    // Translucent windows may not always be supported. Use
-    // IsTranslucentWindowOpacitySupported to determine if translucent windows
-    // are supported.
     // If OPAQUE_WINDOW, we can perform optimizations based on the widget being
-    // fully opaque.  Defaults to TRANSLUCENT_WINDOW if
-    // ViewsDelegate::UseTransparentWindows().  Defaults to OPAQUE_WINDOW for
-    // non-window widgets.
+    // fully opaque.
+    // Default is based on ViewsDelegate::GetOpacityForInitParams().  Defaults
+    // to OPAQUE_WINDOW for non-window widgets.
+    // Translucent windows may not always be supported. Use
+    // IsTranslucentWindowOpacitySupported to determine whether they are.
     WindowOpacity opacity;
     bool accept_events;
     Activatable activatable;