Remove Apple's unused implementation of private browsing from WebCore

Source/WebCore/platform/graphics/MediaPlayer.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 268 matching lines @@
     , m_reloadTimer(this, &MediaPlayer::reloadTimerFired)
     , m_private(createNullMediaPlayer(this))
     , m_currentMediaEngine(0)
     , m_frameView(0)
     , m_preload(Auto)
     , m_visible(false)
     , m_rate(1.0f)
     , m_volume(1.0f)
     , m_muted(false)
     , m_preservesPitch(true)
-    , m_privateBrowsing(false)
     , m_shouldPrepareToRender(false)
     , m_contentMIMETypeWasInferredFromExtension(false)
 {
 }
 
 MediaPlayer::~MediaPlayer()
 {
     m_mediaPlayerClient = 0;
 }
 
@@ skipping 54 matching lines @@
     // Don't delete and recreate the player unless it comes from a different engine.
     if (!engine) {
         LOG(Media, "MediaPlayer::loadWithNextMediaEngine - no media engine found for type \"%s\"", m_contentMIMEType.utf8().data());
         m_currentMediaEngine = engine;
         m_private = nullptr;
     } else if (m_currentMediaEngine != engine) {
         m_currentMediaEngine = engine;
         m_private = engine->constructor(this);
         if (m_mediaPlayerClient)
             m_mediaPlayerClient->mediaPlayerEngineUpdated(this);
-        m_private->setPrivateBrowsingMode(m_privateBrowsing);
         m_private->setPreload(m_preload);
         m_private->setPreservesPitch(preservesPitch());
         if (m_shouldPrepareToRender)
             m_private->prepareForRendering();
     }
 
     if (m_private) {
         if (m_mediaSource)
             m_private->load(m_url.string(), m_mediaSource);
         else
@@ skipping 431 matching lines @@
 void MediaPlayer::clearMediaCacheForSite(const String& site)
 {
     Vector<MediaPlayerFactory*>& engines = installedMediaEngines();
     unsigned size = engines.size();
     for (unsigned i = 0; i < size; i++) {
         if (engines[i]->clearMediaCacheForSite)
             engines[i]->clearMediaCacheForSite(site);
     }
 }
 
-void MediaPlayer::setPrivateBrowsingMode(bool privateBrowsingMode)
-{
-    m_privateBrowsing = privateBrowsingMode;
-    m_private->setPrivateBrowsingMode(m_privateBrowsing);
-}
-
 // Client callbacks.
 void MediaPlayer::networkStateChanged()
 {
     // If more than one media engine is installed and this one failed before finding metadata,
     // let the next engine try.
     if (m_private->networkState() >= FormatError
         && m_private->readyState() < HaveMetadata
         && installedMediaEngines().size() > 1) {
         if (m_contentMIMEType.isEmpty() || bestMediaEngineForTypeAndCodecs(m_contentMIMEType, m_contentTypeCodecs, m_keySystem, m_url, m_currentMediaEngine)) {
             m_reloadTimer.startOneShot(0);
@@ skipping 198 matching lines @@
     if (!m_private)
         return;
 
     m_private->simulateAudioInterruption();
 }
 #endif
 
 }
 
 #endif