Enabled pressing TAB to cycle through the Omnibox results.

chrome/browser/autocomplete/keyword_provider.h

 // Copyright (c) 2011 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.
 //
 // This file contains the keyword autocomplete provider. The keyword provider
 // is responsible for remembering/suggesting user "search keyword queries"
 // (e.g.  "imdb Godzilla") and then fixing them up into valid URLs.  An
 // instance of it gets created and managed by the autocomplete controller.
 // KeywordProvider uses a TemplateURLService to find the set of keywords.
 //
 // For more information on the autocomplete system in general, including how
 // the autocomplete controller and autocomplete providers work, see
 // chrome/browser/autocomplete.h.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 
 class Profile;
 class TemplateURL;
+class TemplateURLModel;
 class TemplateURLService;
 
 // Autocomplete provider for keyword input.
 //
 // After construction, the autocomplete controller repeatedly calls Start()
 // with some user input, each time expecting to receive a small set of the best
 // matches (either synchronously or asynchronously).
 //
 // To construct these matches, the provider treats user input as a series of
 // whitespace-delimited tokens and tries to match the first token as the prefix
@@ skipping 27 matching lines @@
       const string16& input,
       bool trim_leading_whitespace);
 
   // Returns the matching substituting keyword for |input|, or NULL if there
   // is no keyword for the specified input.
   static const TemplateURL* GetSubstitutingTemplateURLForInput(
       Profile* profile,
       const AutocompleteInput& input,
       string16* remaining_input);
 
+  // Creates a fully marked-up AutocompleteMatch for a specific keyword.
+  AutocompleteMatch CreateAutocompleteMatch(
+      TemplateURLService* model,
+      const string16& keyword,
+      const AutocompleteInput& input);
+
   // AutocompleteProvider
   virtual void Start(const AutocompleteInput& input, bool minimal_changes);
   virtual void Stop();
 
  private:
   class ScopedEndExtensionKeywordMode;
   friend class ScopedEndExtensionKeywordMode;
 
   virtual ~KeywordProvider();
 
@@ skipping 73 matching lines @@
   // If non-empty, holds the ID of the extension whose keyword is currently in
   // the URL bar while the autocomplete popup is open.
   std::string current_keyword_extension_id_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(KeywordProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_