Getting rid of GetDefaultProfile & fixing multi user issues with accessibility

ash/default_accessibility_delegate.cc

 // Copyright 2013 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/default_accessibility_delegate.h"
 
 #include <limits>
 
 namespace ash {
 namespace internal {
@@ skipping 47 matching lines @@
 }
 
 void DefaultAccessibilityDelegate::SetAutoclickEnabled(bool enabled) {
   autoclick_enabled_ = enabled;
 }
 
 bool DefaultAccessibilityDelegate::IsAutoclickEnabled() const {
   return autoclick_enabled_;
 }
 
-bool DefaultAccessibilityDelegate::ShouldAlwaysShowAccessibilityMenu() const {
-  return false;
+bool DefaultAccessibilityDelegate::ShouldShowAccessibilityMenu() const {
+  return spoken_feedback_enabled_ ||
+         high_contrast_enabled_ ||
+         screen_magnifier_enabled_ ||
+         large_cursor_enabled_ ||
+         autoclick_enabled_;
 }
 
 void DefaultAccessibilityDelegate::SilenceSpokenFeedback() const {
 }
 
 void DefaultAccessibilityDelegate::ToggleSpokenFeedback(
     AccessibilityNotificationVisibility notify) {
   spoken_feedback_enabled_ = !spoken_feedback_enabled_;
 }
 
@@ skipping 12 matching lines @@
 AccessibilityAlert DefaultAccessibilityDelegate::GetLastAccessibilityAlert() {
   return accessibility_alert_;
 }
 
 base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const {
   return base::TimeDelta();
 }
 
 }  // namespace internal
 }  // namespace ash