Open the launcher when hotword is triggered in always-on mode.

chrome/browser/ui/app_list/app_list_service_impl.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_APP_LIST_SERVICE_IMPL_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 36 matching lines @@
   static void RecordAppListAppLaunch();
 
   // AppListService overrides:
   virtual void SetAppListNextPaintCallback(void (*callback)()) override;
   virtual void HandleFirstRun() override;
   virtual void Init(Profile* initial_profile) override;
   virtual base::FilePath GetProfilePath(
       const base::FilePath& user_data_dir) override;
   virtual void SetProfilePath(const base::FilePath& profile_path) override;
   virtual void Show() override;
+  virtual void ShowForVoiceSearch(Profile* profile) override;
   virtual void AutoShowForProfile(Profile* requested_profile) override;
   virtual void EnableAppList(Profile* initial_profile,
                              AppListEnableSource enable_source) override;
   virtual void CreateShortcut() override;
 
  protected:
   AppListServiceImpl();
 
   // Destroy the app list. Called when the profile that the app list is showing
   // is being deleted.
@@ skipping 29 matching lines @@
   PrefService* local_state_;
   scoped_ptr<ProfileLoader> profile_loader_;
   scoped_ptr<AppListViewDelegate> view_delegate_;
 
   base::WeakPtrFactory<AppListServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListServiceImpl);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_IMPL_H_