Allow AppSearchProvider to provide recommendations.

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"
 #include "chrome/browser/ui/app_list/app_context_menu_delegate.h"
 #include "chrome/browser/ui/app_list/search/chrome_search_result.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
 #include "extensions/browser/extension_icon_image.h"
 #include "extensions/browser/extension_registry_observer.h"
 
 class AppListControllerDelegate;
 class ExtensionEnableFlow;
 class Profile;
 
+namespace base {
+class Time;
+}
+
 namespace extensions {
 class ExtensionRegistry;
 }
 
 namespace app_list {
 
 class AppContextMenu;
 class TokenizedString;
 class TokenizedStringMatch;
 
 class AppResult : public ChromeSearchResult,
                   public extensions::IconImage::Observer,
                   public AppContextMenuDelegate,
                   public ExtensionEnableFlowDelegate,
                   public extensions::ExtensionRegistryObserver {
  public:
   AppResult(Profile* profile,
             const std::string& app_id,
             AppListControllerDelegate* controller);
   virtual ~AppResult();
 
   void UpdateFromMatch(const TokenizedString& title,
                        const TokenizedStringMatch& match);
 
+  void UpdateFromLastLaunched(const base::Time& current_time,
+                              const base::Time& last_launched);
+
   // ChromeSearchResult overides:
   virtual void Open(int event_flags) OVERRIDE;
   virtual void InvokeAction(int action_index, int event_flags) OVERRIDE;
   virtual scoped_ptr<ChromeSearchResult> Duplicate() OVERRIDE;
   virtual ui::MenuModel* GetContextMenuModel() OVERRIDE;
   virtual ChromeSearchResultType GetType() OVERRIDE;
 
  private:
   void StartObservingExtensionRegistry();
   void StopObservingExtensionRegistry();
@@ skipping 36 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_