Purge AppListMenu, and the app list profile switcher

ui/app_list/test/app_list_test_view_delegate.h

Index: ui/app_list/test/app_list_test_view_delegate.h
diff --git a/ui/app_list/test/app_list_test_view_delegate.h b/ui/app_list/test/app_list_test_view_delegate.h
index d6a9e872e06f6e7b38e897ed1d0337533f7a749c..3167ba3eb1750e82052e090db9813bb84c8dc5ae 100644
--- a/ui/app_list/test/app_list_test_view_delegate.h
+++ b/ui/app_list/test/app_list_test_view_delegate.h
@@ -72,8 +72,6 @@ class AppListTestViewDelegate : public AppListViewDelegate {
   void ViewInitialized() override {}
   void Dismiss() override;
   void ViewClosing() override {}
-  void OpenHelp() override {}
-  void OpenFeedback() override {}
   void StartSpeechRecognition() override {}
   void StopSpeechRecognition() override;
   void ShowForProfileByPath(const base::FilePath& profile_path) override {}
@@ -87,8 +85,6 @@ class AppListTestViewDelegate : public AppListViewDelegate {
   bool IsSpeechRecognitionEnabled() override;
   const Users& GetUsers() const override;
   bool ShouldCenterWindow() const override;
-  void AddObserver(AppListViewDelegateObserver* observer) override;
-  void RemoveObserver(AppListViewDelegateObserver* observer) override;
 
   // Do a bulk replacement of the items in the model.
   void ReplaceTestModel(int item_count);
@@ -104,7 +100,6 @@ class AppListTestViewDelegate : public AppListViewDelegate {
   std::map<size_t, int> open_search_result_counts_;
   Users users_;
   std::unique_ptr<AppListTestModel> model_;
-  base::ObserverList<AppListViewDelegateObserver> observers_;
   SpeechUIModel speech_ui_;
   base::TimeDelta auto_launch_timeout_;