Animate showing / hiding the location bar for bookmark apps.

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

Index: chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
index 3acfa7733713191ac0d7cacc4ae9b535b62da352..0175d082cd21beaaa3fa8b5bbdc4e4ce566ebbe9 100644
--- a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
+++ b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
@@ -202,6 +202,10 @@ void LocationBarViewMac::UpdateBookmarkStarVisibility() {
   star_decoration_->SetVisible(IsStarEnabled());
 }
 
+void LocationBarViewMac::UpdateLocationBarState(bool visible, bool animate) {
+  // Not implemented on Mac.
+}
+
 bool LocationBarViewMac::ShowPageActionPopup(
     const extensions::Extension* extension, bool grant_active_tab) {
   for (ScopedVector<PageActionDecoration>::iterator iter =