Animate showing / hiding the location bar for bookmark apps.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h

Index: chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
diff --git a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
index 53c5914f309e346126b0a845b05231c1751032b7..4c41ab382b92855749b68cdf72c222cbd4af0980 100644
--- a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
+++ b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
@@ -67,6 +67,7 @@ class LocationBarViewMac : public LocationBar,
   void UpdateManagePasswordsIconAndBubble() override;
   void UpdatePageActions() override;
   void UpdateBookmarkStarVisibility() override;
+  void UpdateLocationBarState(bool visible, bool animate) override;
   bool ShowPageActionPopup(const extensions::Extension* extension,
                            bool grant_active_tab) override;
   void UpdateOpenPDFInReaderPrompt() override;