Revert 194578 "Add ash SessionStateDelegate"

trunk/src/ash/shell/shell_delegate_impl.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 "ash/shell/shell_delegate_impl.h"
 
 #include <limits>
 
 #include "ash/caps_lock_delegate_stub.h"
 #include "ash/host/root_window_host_factory.h"
-#include "ash/session_state_delegate.h"
-#include "ash/session_state_delegate_stub.h"
 #include "ash/shell/context_menu.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell/launcher_delegate_impl.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_util.h"
 #include "base/message_loop.h"
 #include "ui/aura/window.h"
 
 namespace ash {
 namespace shell {
 
 ShellDelegateImpl::ShellDelegateImpl()
     : watcher_(NULL),
       launcher_delegate_(NULL),
+      locked_(false),
       spoken_feedback_enabled_(false),
       high_contrast_enabled_(false),
       screen_magnifier_enabled_(false),
       screen_magnifier_type_(kDefaultMagnifierType) {
 }
 
 ShellDelegateImpl::~ShellDelegateImpl() {
 }
 
 void ShellDelegateImpl::SetWatcher(WindowWatcher* watcher) {
   watcher_ = watcher;
   if (launcher_delegate_)
     launcher_delegate_->set_watcher(watcher);
 }
 
+bool ShellDelegateImpl::IsUserLoggedIn() const {
+  return true;
+}
+
+bool ShellDelegateImpl::IsSessionStarted() const {
+  return true;
+}
+
+bool ShellDelegateImpl::IsGuestSession() const {
+  return false;
+}
+
 bool ShellDelegateImpl::IsFirstRunAfterBoot() const {
   return false;
 }
 
 bool ShellDelegateImpl::IsMultiProfilesEnabled() const {
   return false;
 }
 
 bool ShellDelegateImpl::IsRunningInForcedAppMode() const {
   return false;
 }
 
+bool ShellDelegateImpl::CanLockScreen() const {
+  return true;
+}
+
+void ShellDelegateImpl::LockScreen() {
+  ash::shell::CreateLockScreen();
+  locked_ = true;
+  ash::Shell::GetInstance()->UpdateShelfVisibility();
+}
+
+void ShellDelegateImpl::UnlockScreen() {
+  locked_ = false;
+  ash::Shell::GetInstance()->UpdateShelfVisibility();
+}
+
+bool ShellDelegateImpl::IsScreenLocked() const {
+  return locked_;
+}
+
 void ShellDelegateImpl::PreInit() {
 }
 
 void ShellDelegateImpl::Shutdown() {
 }
 
 void ShellDelegateImpl::Exit() {
   MessageLoopForUI::current()->Quit();
 }
 
@@ skipping 96 matching lines @@
 }
 
 ash::UserWallpaperDelegate* ShellDelegateImpl::CreateUserWallpaperDelegate() {
   return NULL;
 }
 
 ash::CapsLockDelegate* ShellDelegateImpl::CreateCapsLockDelegate() {
   return new CapsLockDelegateStub;
 }
 
-ash::SessionStateDelegate* ShellDelegateImpl::CreateSessionStateDelegate() {
-  return new SessionStateDelegateStub;
-}
-
 aura::client::UserActionClient* ShellDelegateImpl::CreateUserActionClient() {
   return NULL;
 }
 
 void ShellDelegateImpl::OpenFeedbackPage() {
 }
 
 void ShellDelegateImpl::RecordUserMetricsAction(UserMetricsAction action) {
 }
 
@@ skipping 30 matching lines @@
 RootWindowHostFactory* ShellDelegateImpl::CreateRootWindowHostFactory() {
   return RootWindowHostFactory::Create();
 }
 
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 }  // namespace shell
 }  // namespace ash