Refactor omnibox focus API into a single method.

chrome/browser/ui/search/instant_tab.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/search/instant_tab.h"
 
 InstantTab::InstantTab(InstantPage::Delegate* delegate)
     : InstantPage(delegate) {
 }
 
 InstantTab::~InstantTab() {
 }
 
 void InstantTab::Init(content::WebContents* contents) {
   SetContents(contents);
   DetermineIfPageSupportsInstant();
 }
 
 bool InstantTab::ShouldProcessSetSuggestions() {
   return true;
 }
 
 bool InstantTab::ShouldProcessFocusOmnibox() {
   return true;
 }
 
-bool InstantTab::ShouldProcessStartCapturingKeyStrokes() {
-  return true;
-}
-
-bool InstantTab::ShouldProcessStopCapturingKeyStrokes() {
-  return true;
-}
-
 bool InstantTab::ShouldProcessNavigateToURL() {
   return true;
 }