Show a notification when a braille display is connected.

chrome/browser/ui/ash/chrome_shell_delegate_views.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/magnifier/magnifier_constants.h"
 #include "ash/media_delegate.h"
 #include "ash/system/tray/default_system_tray_delegate.h"
@@ skipping 103 matching lines @@
   }
 
   virtual double GetSavedScreenMagnifierScale() OVERRIDE {
     return std::numeric_limits<double>::min();
   }
 
   virtual bool ShouldShowAccessibilityMenu() const OVERRIDE {
     return false;
   }
 
+  virtual bool IsBrailleDisplayConnected() OVERRIDE {
+    return false;
+  }
+
   virtual void SilenceSpokenFeedback() const OVERRIDE {
   }
 
   virtual void SetVirtualKeyboardEnabled(bool enabled) OVERRIDE {
   }
 
   virtual bool IsVirtualKeyboardEnabled() const OVERRIDE {
     return false;
   }
 
@@ skipping 120 matching lines @@
 void ChromeShellDelegate::PlatformInit() {
 #if defined(OS_WIN)
   registrar_.Add(this,
                  chrome::NOTIFICATION_ASH_SESSION_STARTED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_ASH_SESSION_ENDED,
                  content::NotificationService::AllSources());
 #endif
 }