Enabled pressing TAB to cycle through the Omnibox results.

chrome/browser/ui/views/autocomplete/autocomplete_result_view.h

Index: chrome/browser/ui/views/autocomplete/autocomplete_result_view.h
===================================================================
--- chrome/browser/ui/views/autocomplete/autocomplete_result_view.h	(revision 94623)
+++ chrome/browser/ui/views/autocomplete/autocomplete_result_view.h	(working copy)
@@ -47,6 +47,12 @@
   // model has changed.
   void SetMatch(const AutocompleteMatch& match);
 
+  // Returns the size necessary to show just the icon and an ellipsis.
+  gfx::Size GetCollapsedSize();
+
+  // views::View:
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+
  protected:
   virtual void PaintMatch(gfx::Canvas* canvas,
                           const AutocompleteMatch& match,
@@ -100,7 +106,6 @@
   void Elide(Runs* runs, int remaining_width) const;
 
   // views::View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;