Make app list recommendations into their own DisplayType.

chrome/browser/ui/app_list/search/app_result.h

 // Copyright 2013 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_APP_RESULT_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_APP_RESULT_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 22 matching lines @@
 class TokenizedStringMatch;
 
 class AppResult : public SearchResult,
                   public extensions::IconImage::Observer,
                   public AppContextMenuDelegate,
                   public ExtensionEnableFlowDelegate,
                   public extensions::ExtensionRegistryObserver {
  public:
   AppResult(Profile* profile,
             const std::string& app_id,
-            AppListControllerDelegate* controller);
+            AppListControllerDelegate* controller,
+            bool is_recommendation);
   ~AppResult() override;
 
   void UpdateFromMatch(const TokenizedString& title,
                        const TokenizedStringMatch& match);
 
   void UpdateFromLastLaunched(const base::Time& current_time,
                               const base::Time& last_launched);
 
   // SearchResult overrides:
   void Open(int event_flags) override;
@@ skipping 37 matching lines @@
   scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
 
   extensions::ExtensionRegistry* extension_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(AppResult);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_APP_RESULT_H_