Enabled pressing TAB to cycle through the Omnibox results.

chrome/browser/autocomplete/autocomplete_popup_model.h

Index: chrome/browser/autocomplete/autocomplete_popup_model.h
===================================================================
--- chrome/browser/autocomplete/autocomplete_popup_model.h	(revision 81359)
+++ chrome/browser/autocomplete/autocomplete_popup_model.h	(working copy)
@@ -70,19 +70,6 @@
   // will change the selected line back to the default match and redraw.
   void ResetToDefaultMatch();
 
-  // Gets the selected keyword or keyword hint for the given match. If the match
-  // is already keyword, then the keyword will be returned directly. Otherwise,
-  // it returns GetKeywordForText(match.fill_into_edit, keyword).
-  bool GetKeywordForMatch(const AutocompleteMatch& match,
-                          string16* keyword) const;
-
-  // Gets the selected keyword or keyword hint for the given text. Returns
-  // true if |keyword| represents a keyword hint, or false if |keyword|
-  // represents a selected keyword. (|keyword| will always be set [though
-  // possibly to the empty string], and you cannot have both a selected keyword
-  // and a keyword hint simultaneously.)
-  bool GetKeywordForText(const string16& text, string16* keyword) const;
-
   // Immediately updates and opens the popup if necessary, then moves the
   // current selection down (|count| > 0) or up (|count| < 0), clamping to the
   // first or last result if necessary.  If |count| == 0, the selection will be