Remove more dead app list code.

ash/shell/app_list.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 <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "ash/common/session/session_controller.h"
@@ skipping 202 matching lines @@
           new WindowTypeShelfItem(id, type));
       model_->AddItem(std::move(shelf_item));
     }
   }
 
   void DecorateSearchBox(app_list::SearchBoxModel* search_box_model) {
     search_box_model->SetHintText(base::ASCIIToUTF16("Type to search..."));
   }
 
   // Overridden from app_list::AppListViewDelegate:
-  bool ForceNativeDesktop() const override { return false; }
-
-  void SetProfileByPath(const base::FilePath& profile_path) override {
-    // Nothing needs to be done.
-  }
-
-  const Users& GetUsers() const override { return users_; }
-
   app_list::AppListModel* GetModel() override { return model_.get(); }
 
   app_list::SpeechUIModel* GetSpeechUI() override { return &speech_ui_; }
 
   void OpenSearchResult(app_list::SearchResult* result,
                         bool auto_launch,
                         int event_flags) override {
     const ExampleSearchResult* example_result =
         static_cast<const ExampleSearchResult*>(result);
     WindowTypeShelfItem::ActivateItem(example_result->type(), event_flags);
@@ skipping 42 matching lines @@
 
   void Dismiss() override {
     DCHECK(WmShell::HasInstance());
     Shell::Get()->DismissAppList();
   }
 
   void ViewClosing() override {
     // Nothing needs to be done.
   }
 
-  void OpenHelp() override {
-    // Nothing needs to be done.
-  }
-
-  void OpenFeedback() override {
-    // Nothing needs to be done.
-  }
-
   void StartSpeechRecognition() override { NOTIMPLEMENTED(); }
   void StopSpeechRecognition() override { NOTIMPLEMENTED(); }
 
-  void ShowForProfileByPath(const base::FilePath& profile_path) override {
-    // Nothing needs to be done.
-  }
-
   views::View* CreateStartPageWebView(const gfx::Size& size) override {
     return NULL;
   }
 
   std::vector<views::View*> CreateCustomPageWebViews(
       const gfx::Size& size) override {
     return std::vector<views::View*>();
   }
 
   void CustomLauncherPageAnimationChanged(double progress) override {}
 
   void CustomLauncherPagePopSubpage() override {}
 
   bool IsSpeechRecognitionEnabled() override { return false; }
 
   std::unique_ptr<app_list::AppListModel> model_;
   app_list::SpeechUIModel speech_ui_;
-  Users users_;
 
   DISALLOW_COPY_AND_ASSIGN(ExampleAppListViewDelegate);
 };
 
 }  // namespace
 
 app_list::AppListViewDelegate* CreateAppListViewDelegate() {
   return new ExampleAppListViewDelegate;
 }
 
 }  // namespace shell
 }  // namespace ash