1 files changed, 7 insertions, 3 deletions
diff --git a/views/widget/widget_gtk.h b/views/widget/widget_gtk.h
index a8a2947..77f9c97 100644
--- a/views/widget/widget_gtk.h
+++ b/views/widget/widget_gtk.h
@@ -15,13 +15,17 @@
 #include "views/focus/focus_manager.h"
 #include "views/widget/widget.h"
 
-class OSExchangeData;
-class OSExchangeDataProviderGtk;
-
 namespace gfx {
 class Rect;
 }
 
+namespace ui {
+class OSExchangeData;
+class OSExchangeDataProviderGtk;
+}
+using ui::OSExchangeData;
+using ui::OSExchangeDataProviderGtk;
+
 namespace views {
 
 class DefaultThemeProvider;