Purge the App Launcher code from Windows.

chrome/browser/ui/app_list/app_list_view_delegate.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_APP_LIST_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 67 matching lines @@
 
   // Invoked to start speech recognition based on a hotword trigger.
   void StartSpeechRecognitionForHotword(
       const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble);
 
   // Overridden from app_list::AppListViewDelegate:
   bool ForceNativeDesktop() const override;
   void SetProfileByPath(const base::FilePath& profile_path) override;
   app_list::AppListModel* GetModel() override;
   app_list::SpeechUIModel* GetSpeechUI() override;
-  void GetShortcutPathForApp(
-      const std::string& app_id,
-      const base::Callback<void(const base::FilePath&)>& callback) override;
   void StartSearch() override;
   void StopSearch() override;
   void OpenSearchResult(app_list::SearchResult* result,
                         bool auto_launch,
                         int event_flags) override;
   void InvokeSearchResultAction(app_list::SearchResult* result,
                                 int action_index,
                                 int event_flags) override;
   base::TimeDelta GetAutoLaunchTimeout() override;
   void AutoLaunchCanceled() override;
@@ skipping 116 matching lines @@
   // Window contents of additional custom launcher pages.
   ScopedVector<apps::CustomLauncherPageContents> custom_page_contents_;
 
   // Registers for NOTIFICATION_APP_TERMINATING to unload custom launcher pages.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_