Large Cursor: Add the toggle menuitem to a11y menu in uber tray

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"
@@ skipping 41 matching lines @@
 }  // namespace
 
 namespace shell {
 
 ShellDelegateImpl::ShellDelegateImpl()
     : watcher_(NULL),
       launcher_delegate_(NULL),
       spoken_feedback_enabled_(false),
       high_contrast_enabled_(false),
       screen_magnifier_enabled_(false),
-      screen_magnifier_type_(kDefaultMagnifierType) {
+      screen_magnifier_type_(kDefaultMagnifierType),
+      large_cursor_enabled_(false) {
 }
 
 ShellDelegateImpl::~ShellDelegateImpl() {
 }
 
 void ShellDelegateImpl::SetWatcher(WindowWatcher* watcher) {
   watcher_ = watcher;
   if (launcher_delegate_)
     launcher_delegate_->set_watcher(watcher);
 }
@@ skipping 90 matching lines @@
 }
 
 bool ShellDelegateImpl::IsMagnifierEnabled() const {
   return screen_magnifier_enabled_;
 }
 
 MagnifierType ShellDelegateImpl::GetMagnifierType() const {
   return screen_magnifier_type_;
 }
 
+void ShellDelegateImpl::SetLargeCursorEnabled(bool enabled) {
+  large_cursor_enabled_ = enabled;
+}
+
+bool ShellDelegateImpl::IsLargeCursorEnabled() const {
+  return large_cursor_enabled_;
+}
+
 bool ShellDelegateImpl::ShouldAlwaysShowAccessibilityMenu() const {
   return false;
 }
 
 void ShellDelegateImpl::SilenceSpokenFeedback() const {
 }
 
 app_list::AppListViewDelegate* ShellDelegateImpl::CreateAppListViewDelegate() {
   return ash::shell::CreateAppListViewDelegate();
 }
@@ skipping 63 matching lines @@
 RootWindowHostFactory* ShellDelegateImpl::CreateRootWindowHostFactory() {
   return RootWindowHostFactory::Create();
 }
 
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 }  // namespace shell
 }  // namespace ash