Removes the link in the omnibox for searching history.

chrome/browser/autocomplete/autocomplete_edit_view_mac.mm

 // Copyright (c) 2010 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/autocomplete/autocomplete_edit_view_mac.h"
 
 #include <Carbon/Carbon.h>  // kVK_Return
 
 #include "app/mac/nsimage_cache.h"
 #include "app/resource_bundle.h"
@@ skipping 118 matching lines @@
   switch(resource_id) {
     // From the autocomplete popup, or the star icon at the RHS of the
     // text field.
     case IDR_STAR: image_name = @"star.pdf"; break;
     case IDR_STAR_LIT: image_name = @"star_lit.pdf"; break;
 
     // Values from |AutocompleteMatch::TypeToIcon()|.
     case IDR_OMNIBOX_SEARCH: image_name = @"omnibox_search.pdf"; break;
     case IDR_OMNIBOX_HTTP: image_name = @"omnibox_http.pdf"; break;
     case IDR_OMNIBOX_HISTORY: image_name = @"omnibox_history.pdf"; break;
-    case IDR_OMNIBOX_MORE: image_name = @"omnibox_more.pdf"; break;
 
     // Values from |ToolbarModel::GetIcon()|.
     case IDR_OMNIBOX_HTTPS_VALID:
       image_name = @"omnibox_https_valid.pdf"; break;
     case IDR_OMNIBOX_HTTPS_WARNING:
       image_name = @"omnibox_https_warning.pdf"; break;
     case IDR_OMNIBOX_HTTPS_INVALID:
       image_name = @"omnibox_https_invalid.pdf"; break;
   }
 
@@ skipping 941 matching lines @@
   }
 
   return std::wstring();
 }
 
 // static
 NSFont* AutocompleteEditViewMac::GetFieldFont() {
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   return rb.GetFont(ResourceBundle::BaseFont).GetNativeFont();
 }