Show zoom bubble for everything but an empty host.

chrome/browser/ui/zoom/zoom_controller.h

Index: chrome/browser/ui/zoom/zoom_controller.h
diff --git a/chrome/browser/ui/zoom/zoom_controller.h b/chrome/browser/ui/zoom/zoom_controller.h
index 357483cb501dd21c00a039e5b3dc1a10258156a7..4b5602ea7e47b7e9f760188d36200e40a1826bd4 100644
--- a/chrome/browser/ui/zoom/zoom_controller.h
+++ b/chrome/browser/ui/zoom/zoom_controller.h
@@ -120,11 +120,6 @@ class ZoomController : public content::WebContentsObserver,
   // meaning the change should apply to ~all sites. If it is not empty, the
   // change only affects sites with the given host.
   void UpdateState(const std::string& host);
-  // Same as UpdateState, but takes into account whether a temporary zoom level
-  // has been set on |host| when deciding whether to show the zoom notification
-  // bubble.
-  void UpdateStateIncludingTemporary(const std::string& host,
-                                     bool is_temporary_zoom);
 
   // The current zoom mode.
   ZoomMode zoom_mode_;