Removing a bunch of unused platform code.

Source/WebCore/page/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 78 matching lines @@
 double Settings::gHiddenPageDOMTimerAlignmentInterval = 1.0;
 
 #if USE(SAFARI_THEME)
 bool Settings::gShouldPaintNativeControls = true;
 #endif
 
 #if USE(AVFOUNDATION)
 bool Settings::gAVFoundationEnabled = false;
 #endif
 
-#if PLATFORM(MAC) || (PLATFORM(QT) && USE(QTKIT))
-bool Settings::gQTKitEnabled = true;
-#endif
-
 bool Settings::gMockScrollbarsEnabled = false;
 bool Settings::gUsesOverlayScrollbars = false;
 
 #if PLATFORM(WIN) || (OS(WINDOWS) && PLATFORM(WX))
 bool Settings::gShouldUseHighResolutionTimers = true;
 #endif
 
 // NOTEs
 //  1) EditingMacBehavior comprises Tiger, Leopard, SnowLeopard and iOS builds, as well QtWebKit and Chromium when built on Mac;
 //  2) EditingWindowsBehavior comprises Win32 and WinCE builds, as well as QtWebKit and Chromium when built on Windows;
@@ skipping 439 matching lines @@
 void Settings::setAVFoundationEnabled(bool enabled)
 {
     if (gAVFoundationEnabled == enabled)
         return;
 
     gAVFoundationEnabled = enabled;
     HTMLMediaElement::resetMediaEngines();
 }
 #endif
 
-#if PLATFORM(MAC) || (PLATFORM(QT) && USE(QTKIT))
-void Settings::setQTKitEnabled(bool enabled)
-{
-    if (gQTKitEnabled == enabled)
-        return;
-
-    gQTKitEnabled = enabled;
-    HTMLMediaElement::resetMediaEngines();
-}
-#endif
-
 void Settings::setScrollingPerformanceLoggingEnabled(bool enabled)
 {
     m_scrollingPerformanceLoggingEnabled = enabled;
 
     if (m_page->mainFrame() && m_page->mainFrame()->view())
         m_page->mainFrame()->view()->setScrollingPerformanceLoggingEnabled(enabled);
 }
     
 void Settings::setAggressiveTileRetentionEnabled(bool enabled)
 {
@@ skipping 34 matching lines @@
 void Settings::setHiddenPageCSSAnimationSuspensionEnabled(bool flag)
 {
     if (m_hiddenPageCSSAnimationSuspensionEnabled == flag)
         return;
     m_hiddenPageCSSAnimationSuspensionEnabled = flag;
     m_page->hiddenPageCSSAnimationSuspensionStateChanged();
 }
 #endif
 
 } // namespace WebCore