Small cleanup in SearchTabHelper

chrome/browser/ui/search/search_tab_helper.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/search_tab_helper.h"
 
 #include <memory>
 #include <set>
 
 #include "base/memory/ptr_util.h"
@@ skipping 168 matching lines @@
     ipc_router_.SetInputInProgress(IsInputInProgress());
 }
 
 void SearchTabHelper::NavigationEntryUpdated() {
   if (!is_search_enabled_)
     return;
 
   UpdateMode(false);
 }
 
-bool SearchTabHelper::SupportsInstant() const {
-  return model_.instant_support() == INSTANT_SUPPORT_YES;
-}
-
 void SearchTabHelper::SetSuggestionToPrefetch(
     const InstantSuggestion& suggestion) {
   ipc_router_.SetSuggestionToPrefetch(suggestion);
 }
 
 void SearchTabHelper::Submit(const base::string16& text,
                              const EmbeddedSearchRequestParams& params) {
   ipc_router_.Submit(text, params);
 }
 
@@ skipping 302 matching lines @@
 
 bool SearchTabHelper::IsInputInProgress() const {
   OmniboxView* omnibox = GetOmniboxView();
   return !model_.mode().is_ntp() && omnibox &&
       omnibox->model()->focus_state() == OMNIBOX_FOCUS_VISIBLE;
 }
 
 OmniboxView* SearchTabHelper::GetOmniboxView() const {
   return delegate_ ? delegate_->GetOmniboxView() : NULL;
 }