Index: ui/views/widget/widget.cc |
diff --git a/ui/views/widget/widget.cc b/ui/views/widget/widget.cc |
index b3c76a21ae238f97398df24a6c27a4cd627c6e0a..f2268cf8a6bc638dcb7bc87458ad95f9ba4cb989 100644 |
--- a/ui/views/widget/widget.cc |
+++ b/ui/views/widget/widget.cc |
@@ -389,6 +389,7 @@ gfx::NativeWindow Widget::GetNativeWindow() const { |
} |
void Widget::AddObserver(WidgetObserver* observer) { |
+ CHECK(observer); |
danakj
2015/04/06 17:18:47
please add a TODO and point at a bug you're trying
|
observers_.AddObserver(observer); |
} |