Remove more dead app list code.

ash/shell/app_list.cc

Index: ash/shell/app_list.cc
diff --git a/ash/shell/app_list.cc b/ash/shell/app_list.cc
index 983a6a0ba54ee4ab75b30d03c76a3a2d9d451c67..952e64e3978fd54d029b6c5c8f76ac3189bebdd4 100644
--- a/ash/shell/app_list.cc
+++ b/ash/shell/app_list.cc
@@ -220,14 +220,6 @@ class ExampleAppListViewDelegate : public app_list::AppListViewDelegate {
   }
 
   // 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_; }
@@ -290,21 +282,9 @@ class ExampleAppListViewDelegate : public app_list::AppListViewDelegate {
     // 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;
   }
@@ -322,7 +302,6 @@ class ExampleAppListViewDelegate : public app_list::AppListViewDelegate {
 
   std::unique_ptr<app_list::AppListModel> model_;
   app_list::SpeechUIModel speech_ui_;
-  Users users_;
 
   DISALLOW_COPY_AND_ASSIGN(ExampleAppListViewDelegate);
 };