Cleanup: Remove an unnecessary AutocompleteMatch& calculation

chrome/browser/ui/omnibox/omnibox_edit_model.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/omnibox/omnibox_edit_model.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/format_macros.h"
@@ skipping 696 matching lines @@
     DCHECK(!last_omnibox_focus_.is_null())
         << "An omnibox focus should have occurred before opening a match.";
     UMA_HISTOGRAM_TIMES(kFocusToOpenTimeHistogram, now - last_omnibox_focus_);
   }
 
   TemplateURL* template_url = match.GetTemplateURL(profile_, false);
   if (template_url) {
     if (match.transition == content::PAGE_TRANSITION_KEYWORD) {
       // The user is using a non-substituting keyword or is explicitly in
       // keyword mode.
-      const AutocompleteMatch& match = (index == OmniboxPopupModel::kNoMatch) ?
-          CurrentMatch(NULL) : result().match_at(index);
 
       // Don't increment usage count for extension keywords.
       if (delegate_->ProcessExtensionKeyword(template_url, match,
                                              disposition)) {
         observer->OnSuccessfulNavigation();
         if (disposition != NEW_BACKGROUND_TAB)
           view_->RevertAll();
         return;
       }
 
@@ skipping 656 matching lines @@
     instant->OmniboxFocusChanged(state, reason, NULL);
 
   // Update state and notify view if the omnibox has focus and the caret
   // visibility changed.
   const bool was_caret_visible = is_caret_visible();
   focus_state_ = state;
   if (focus_state_ != OMNIBOX_FOCUS_NONE &&
       is_caret_visible() != was_caret_visible)
     view_->ApplyCaretVisibility();
 }