Hide experimental app list Google logo and custom launcher page when search engine is not Google.

ui/app_list/app_list_model.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 UI_APP_LIST_APP_LIST_MODEL_H_
 #define UI_APP_LIST_APP_LIST_MODEL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 113 matching lines @@
 
   // Call OnExtensionPreferenceChanged() for all items in the model.
   void NotifyExtensionPreferenceChanged();
 
   // Sets whether or not the folder UI should be enabled. If |folders_enabled|
   // is false, removes any non-OEM folders.
   void SetFoldersEnabled(bool folders_enabled);
 
   // Sets whether or not the custom launcher page should be enabled.
   void SetCustomLauncherPageEnabled(bool enabled);
-  bool custom_launcher_page_enabled() { return custom_launcher_page_enabled_; }
+  bool custom_launcher_page_enabled() const {
+    return custom_launcher_page_enabled_;
+  }
 
   // Pushes a custom launcher page's subpage into the state stack in the model.
   void PushCustomLauncherPageSubpage();
 
   // If the state stack is not empty, pops a subpage from the stack and returns
   // true. Returns false if the stack was empty.
   bool PopCustomLauncherPageSubpage();
 
   // Clears the custom launcher page's subpage state stack from the model.
   void ClearCustomLauncherPageSubpages();
 
   int custom_launcher_page_subpage_depth() {
     return custom_launcher_page_subpage_depth_;
   }
 
+  void SetSearchEngineIsGoogle(bool is_google);
+  bool search_engine_is_google() const { return search_engine_is_google_; }
+
   // Filters the given |results| by |display_type|. The returned list is
   // truncated to |max_results|.
   static std::vector<SearchResult*> FilterSearchResultsByDisplayType(
       SearchResults* results,
       SearchResult::DisplayType display_type,
       size_t max_results);
 
   AppListItemList* top_level_item_list() { return top_level_item_list_.get(); }
 
   SearchBoxModel* search_box() { return search_box_.get(); }
@@ skipping 36 matching lines @@
   scoped_ptr<AppListItemList> top_level_item_list_;
 
   scoped_ptr<SearchBoxModel> search_box_;
   scoped_ptr<SearchResults> results_;
 
   Status status_;
   State state_;
   ObserverList<AppListModelObserver, true> observers_;
   bool folders_enabled_;
   bool custom_launcher_page_enabled_;
+  bool search_engine_is_google_;
 
   // The current number of subpages the custom launcher page has pushed.
   int custom_launcher_page_subpage_depth_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListModel);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_MODEL_H_