Purge the App Launcher code from Windows.

ui/app_list/views/app_list_main_view.h

Index: ui/app_list/views/app_list_main_view.h
diff --git a/ui/app_list/views/app_list_main_view.h b/ui/app_list/views/app_list_main_view.h
index 74b8765b1c839019230a0d9604509847159ddadf..740ff3e46b24340d0f960a19c84a2aabf1aedc15 100644
--- a/ui/app_list/views/app_list_main_view.h
+++ b/ui/app_list/views/app_list_main_view.h
@@ -53,8 +53,6 @@ class APP_LIST_EXPORT AppListMainView : public views::View,
 
   void Close();
 
-  void Prerender();
-
   void ModelChanged();
 
   SearchBoxView* search_box_view() const { return search_box_view_; }
@@ -102,9 +100,6 @@ class APP_LIST_EXPORT AppListMainView : public views::View,
 
   // Overridden from AppsGridViewDelegate:
   void ActivateApp(AppListItem* item, int event_flags) override;
-  void GetShortcutPathForApp(
-      const std::string& app_id,
-      const base::Callback<void(const base::FilePath&)>& callback) override;
   void CancelDragInActiveFolder() override;
 
   // Overridden from SearchBoxViewDelegate: