autocomplete: Add AutocompleteProvider::Type enum.

chrome/browser/ui/app_list/search_builder.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_BUILDER_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_BUILDER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/autocomplete/autocomplete_controller_delegate.h"
 #include "ui/app_list/app_list_model.h"
 
 namespace app_list {
 class SearchBoxModel;
 class SearchResult;
 }
 
 class AppListController;
 class AutocompleteController;
 class AutocompleteResult;
-class ExtensionAppProvider;
 class Profile;
 
 // SearchBuilder creates app list search results via AutoCompleteController.
 class SearchBuilder : public AutocompleteControllerDelegate {
  public:
   SearchBuilder(Profile* profile,
                 app_list::SearchBoxModel* search_box,
                 app_list::AppListModel::SearchResults* results,
                 AppListController* list_controller);
   virtual ~SearchBuilder();
@@ skipping 23 matching lines @@
   app_list::SearchBoxModel* search_box_;
   app_list::AppListModel::SearchResults* results_;
 
   // The omnibox AutocompleteController that collects/sorts/dup-
   // eliminates the results as they come in.
   scoped_ptr<AutocompleteController> controller_;
 
   // The controller of the app list. Owned by the app list delegate.
   AppListController* list_controller_;
 
-  // ExtensionAppProvider used for apps only mode. If apps only mode becomes the
-  // only mode, remove the AutocompleteController above. Otherwise, remove this.
-  scoped_refptr<ExtensionAppProvider> apps_provider_;
-
   DISALLOW_COPY_AND_ASSIGN(SearchBuilder);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_BUILDER_H_