Enabled pressing TAB to cycle through the Omnibox results.

chrome/test/base/in_process_browser_test.h

Index: chrome/test/base/in_process_browser_test.h
===================================================================
--- chrome/test/base/in_process_browser_test.h	(revision 119905)
+++ chrome/test/base/in_process_browser_test.h	(working copy)
@@ -142,6 +142,10 @@
   // for the tab to finish loading, and shows the browser.
   Browser* CreateBrowserForPopup(Profile* profile);
 
+  // Allows configuration of the browser object before it is shown and the
+  // message pump starts running.
+  virtual void OnBeforeShowBrowser(Browser* browser) {}
+
   // Called from the various CreateBrowser methods to add a blank tab, wait for
   // the navigation to complete, and show the browser's window.
   void AddBlankTabAndShow(Browser* browser);