Don't call AcceptCurrentInstantPreview() when the user hits Tab.

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index c76f86d2f8609372c8819d339e6454a68418ee21..af8228e507b8b7217a20f63808a3bcf761885a67 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -1236,12 +1236,6 @@ bool LocationBarView::SkipDefaultKeyEventProcessing(const ui::KeyEvent& event) {
       // Return true so the edit gets the tab event and enters keyword mode.
       return true;
     }
-
-    // Tab while showing Instant commits instant immediately.
-    // Return true so that focus traversal isn't attempted. The edit ends
-    // up doing nothing in this case.
-    if (location_entry_->model()->AcceptCurrentInstantPreview())
-      return true;
   }
 
 #if defined(USE_AURA)