A couple of fixes to bubble view:

ui/views/bubble/bubble_delegate.cc

Index: ui/views/bubble/bubble_delegate.cc
diff --git a/ui/views/bubble/bubble_delegate.cc b/ui/views/bubble/bubble_delegate.cc
index ecee2a0589ff05bec9a7e6f47694084de3d61b74..21ccd1e38c8879d9d344aa97ebdeff4e294f8065 100644
--- a/ui/views/bubble/bubble_delegate.cc
+++ b/ui/views/bubble/bubble_delegate.cc
@@ -231,9 +231,8 @@ void BubbleDelegateView::OnWidgetBoundsChanged(Widget* widget,
 }
 
 gfx::Rect BubbleDelegateView::GetAnchorRect() {
-  if (!anchor_view())
-    return gfx::Rect(anchor_point_, gfx::Size());
-  gfx::Rect anchor_bounds = anchor_view()->GetBoundsInScreen();
+  gfx::Rect anchor_bounds = anchor_view() ? anchor_view()->GetBoundsInScreen() :
+      gfx::Rect(anchor_point_, gfx::Size());
   anchor_bounds.Inset(anchor_insets_);
   return anchor_bounds;
 }