Remove need to sign in to use the App Launcher.

ui/app_list/app_list_view_delegate.h

 // 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.
 
 #ifndef UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace app_list {
 
 class AppListModel;
 class AppListViewDelegateObserver;
 class SearchResult;
-class SigninDelegate;
 class SpeechUIModel;
 
 class APP_LIST_EXPORT AppListViewDelegate {
  public:
   // A user of the app list.
   struct APP_LIST_EXPORT User {
     User();
     ~User();
 
     // Whether or not this user is the current user of the app list.
     bool active;
 
     // The name of this user.
     base::string16 name;
 
     // The email address of this user.
     base::string16 email;
 
     // The path to this user's profile directory.
     base::FilePath profile_path;
-
-    // Whether or not the current profile requires sign-in beofre use.
-    bool signin_required;
   };
   typedef std::vector<User> Users;
 
   // AppListView owns the delegate.
   virtual ~AppListViewDelegate() {}
 
   // Whether to force the use of a native desktop widget when the app list
   // window is first created.
   virtual bool ForceNativeDesktop() const = 0;
 
   // Sets the delegate to use the profile at |profile_path|. This is currently
   // only used by non-Ash Windows.
   virtual void SetProfileByPath(const base::FilePath& profile_path) = 0;
 
   // Gets the model associated with the view delegate. The model may be owned
   // by the delegate, or owned elsewhere (e.g. a profile keyed service).
   virtual AppListModel* GetModel() = 0;
 
-  // Gets the SigninDelegate for the app list. Owned by the AppListViewDelegate.
-  virtual SigninDelegate* GetSigninDelegate() = 0;
-
   // Gets the SpeechUIModel for the app list. Owned by the AppListViewDelegate.
   virtual SpeechUIModel* GetSpeechUI() = 0;
 
   // Gets a path to a shortcut for the given app. Returns asynchronously as the
   // shortcut may not exist yet.
   virtual void GetShortcutPathForApp(
       const std::string& app_id,
       const base::Callback<void(const base::FilePath&)>& callback) = 0;
 
   // Invoked to start a new search. Delegate collects query input from
@@ skipping 64 matching lines @@
   virtual bool ShouldCenterWindow() const = 0;
 
   // Adds/removes an observer for profile changes.
   virtual void AddObserver(AppListViewDelegateObserver* observer) {}
   virtual void RemoveObserver(AppListViewDelegateObserver* observer) {}
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_