Views Bubble API adjustments and cleanup

ui/aura_shell/examples/example_factory.h

Index: ui/aura_shell/examples/example_factory.h
diff --git a/ui/aura_shell/examples/example_factory.h b/ui/aura_shell/examples/example_factory.h
index 7bb34d2c7ec2eb09132ece8ab81e0d4dc48d4514..da60715b3ec8f2c9b61cf8d47e882edc6718ab08 100644
--- a/ui/aura_shell/examples/example_factory.h
+++ b/ui/aura_shell/examples/example_factory.h
@@ -12,10 +12,14 @@ namespace gfx {
 class Point;
 }
 
+namespace views {
+class Widget;
+}
+
 namespace aura_shell {
 namespace examples {
 
-void CreatePointyBubble(gfx::NativeWindow parent, const gfx::Point& origin);
+void CreatePointyBubble(views::Widget* parent, const gfx::Point& origin);
 
 void CreateLock();