Convert location bar bubble delegates to bubble dialog delegates

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index 86bed2a0de6f0ba2b990ef53340adcaeb227e48b..0b6995b2a56dcb1ac7085062ec641a3496b232e9 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -756,6 +756,10 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // IsDrawn()
   bool CanHandleAccelerators() const override;
 
+  // Returns true if this view has registered to handle this accelerator and
+  // can handle accelerators.
+  bool HandlesAccelerator(const ui::Accelerator& accelerator);
+
   // Focus ---------------------------------------------------------------------
 
   // Returns whether this view currently has the focus.