Hook up Android closed captions 'enabled' setting to Blink

Source/core/frame/Settings.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 54 matching lines @@
 #endif
 
 Settings::Settings()
     : m_openGLMultisamplingEnabled(false)
 #if DEBUG_TEXT_AUTOSIZING_ON_DESKTOP
     , m_textAutosizingWindowSizeOverride(320, 480)
     , m_textAutosizingEnabled(true)
 #else
     , m_textAutosizingEnabled(false)
 #endif
+    , m_textTracksEnabled(false)
     SETTINGS_INITIALIZER_LIST
 {
 }
 
 PassOwnPtr<Settings> Settings::create()
 {
     return adoptPtr(new Settings);
 }
 
 SETTINGS_SETTER_BODIES
@@ skipping 40 matching lines @@
 
 void Settings::setOpenGLMultisamplingEnabled(bool flag)
 {
     if (m_openGLMultisamplingEnabled == flag)
         return;
 
     m_openGLMultisamplingEnabled = flag;
     invalidate(SettingsDelegate::MultisamplingChange);
 }
 
+void Settings::setTextTracksEnabled(bool enabled)
+{
+    if (m_textTracksEnabled == enabled)
+        return;
+    m_textTracksEnabled = enabled;
+    invalidate(SettingsDelegate::TextTracksVisibilityChange);
+}
+
 } // namespace blink