Deleted AppListViewDelegateObserver class (was unused).

chrome/browser/ui/app_list/app_list_view_delegate.cc

 // 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.
 
 #include "chrome/browser/ui/app_list/app_list_view_delegate.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 43 matching lines @@
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/speech_recognition_session_preamble.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/launcher_page_info.h"
 #include "ui/app_list/app_list_switches.h"
-#include "ui/app_list/app_list_view_delegate_observer.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/search_controller.h"
 #include "ui/app_list/speech_ui_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/controls/webview/webview.h"
 
 #if defined(USE_AURA)
 #include "ui/keyboard/keyboard_util.h"
 #endif
 
@@ skipping 605 matching lines @@
   app_list::StartPageService* service =
       app_list::StartPageService::Get(profile_);
   return service && service->GetSpeechRecognitionContents();
 }
 
 const app_list::AppListViewDelegate::Users&
 AppListViewDelegate::GetUsers() const {
   return users_;
 }
 
-void AppListViewDelegate::AddObserver(
-    app_list::AppListViewDelegateObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void AppListViewDelegate::RemoveObserver(
-    app_list::AppListViewDelegateObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
 void AppListViewDelegate::OnTemplateURLServiceChanged() {
   TemplateURLService* template_url_service =
       TemplateURLServiceFactory::GetForProfile(profile_);
   const TemplateURL* default_provider =
       template_url_service->GetDefaultSearchProvider();
   bool is_google =
       default_provider->GetEngineType(
           template_url_service->search_terms_data()) ==
       SEARCH_ENGINE_GOOGLE;
 
   model_->SetSearchEngineIsGoogle(is_google);
 
   app_list::StartPageService* start_page_service =
       app_list::StartPageService::Get(profile_);
   if (start_page_service)
     start_page_service->set_search_engine_is_google(is_google);
 }
 
 void AppListViewDelegate::Observe(int type,
                                   const content::NotificationSource& source,
                                   const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_APP_TERMINATING, type);
 
-  FOR_EACH_OBSERVER(app_list::AppListViewDelegateObserver, observers_,
-                    OnShutdown());
-
   SetProfile(nullptr);  // Ensures launcher page web contents are torn down.
 
   // SigninManagerFactory is not a leaky singleton (unlike this class), and
   // its destructor will check that it has no remaining observers.
   scoped_observer_.RemoveAll();
   SigninManagerFactory::GetInstance()->RemoveObserver(this);
 }