Handle Esc key press event in Local NTP.

chrome/browser/ui/search/instant_page.h

Index: chrome/browser/ui/search/instant_page.h
diff --git a/chrome/browser/ui/search/instant_page.h b/chrome/browser/ui/search/instant_page.h
index bd42e86c94d6556097d479baf49cd01ebedb63d8..c4dd8968df8ff8f9c46e8c951f197dc6a816de9c 100644
--- a/chrome/browser/ui/search/instant_page.h
+++ b/chrome/browser/ui/search/instant_page.h
@@ -161,6 +161,9 @@ class InstantPage : public content::WebContentsObserver {
   // a repeat count, negative for moving up, positive for moving down.
   void UpOrDownKeyPressed(int count);
 
+  // Tells the page that the user pressed Esc key in the omnibox.
+  void EscKeyPressed();
+
   // Tells the page that the user pressed Esc in the omnibox after having
   // arrowed down in the suggestions. The page should reset the selection to
   // the first suggestion. Arguments are the same as those for Update().