Getting rid of GetDefaultProfile & fixing multi user issues with accessibility

chrome/browser/ui/ash/chrome_shell_delegate_chromeos.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 "chrome/browser/ui/ash/chrome_shell_delegate.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/media_delegate.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/window_util.h"
@@ skipping 100 matching lines @@
   virtual void SetAutoclickEnabled(bool enabled) OVERRIDE {
     DCHECK(chromeos::AccessibilityManager::Get());
     return chromeos::AccessibilityManager::Get()->EnableAutoclick(enabled);
   }
 
   virtual bool IsAutoclickEnabled() const OVERRIDE {
     DCHECK(chromeos::AccessibilityManager::Get());
     return chromeos::AccessibilityManager::Get()->IsAutoclickEnabled();
   }
 
-  virtual bool ShouldAlwaysShowAccessibilityMenu() const OVERRIDE {
-    Profile* profile = ProfileManager::GetDefaultProfile();
-    if (!profile)
-      return false;
-
-    PrefService* user_pref_service = profile->GetPrefs();
-    return user_pref_service && user_pref_service->GetBoolean(
-        prefs::kShouldAlwaysShowAccessibilityMenu);
+  virtual bool ShouldShowAccessibilityMenu() const OVERRIDE {
+    DCHECK(chromeos::AccessibilityManager::Get());
+    return chromeos::AccessibilityManager::Get()->
+        ShouldShowAccessibilityMenu();
   }
 
   virtual void SilenceSpokenFeedback() const OVERRIDE {
     TtsController::GetInstance()->Stop();
   }
 
   virtual void SaveScreenMagnifierScale(double scale) OVERRIDE {
     if (chromeos::MagnificationManager::Get())
       chromeos::MagnificationManager::Get()->SaveScreenMagnifierScale(scale);
   }
@@ skipping 127 matching lines @@
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }