Enabled using viewport on desktop browsers behind experimental flag

Source/web/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 40 matching lines @@
     , m_showFPSCounter(false)
     , m_showPaintRects(false)
     , m_renderVSyncNotificationEnabled(false)
     , m_viewportEnabled(false)
     , m_gestureTapHighlightEnabled(true)
     , m_autoZoomFocusedNodeToLegibleScale(false)
     , m_deferredImageDecodingEnabled(false)
     , m_doubleTapToZoomEnabled(false)
     , m_supportDeprecatedTargetDensityDPI(false)
     , m_pinchOverlayScrollbarThickness(0)
+    , m_anchorScrollPositionOnResize(false)
 {
     ASSERT(settings);
 }
 
 void WebSettingsImpl::setStandardFontFamily(const WebString& font, UScriptCode script)
 {
     m_settings->setStandardFontFamily(font, script);
 }
 
 void WebSettingsImpl::setFixedFontFamily(const WebString& font, UScriptCode script)
@@ skipping 603 matching lines @@
 void WebSettingsImpl::setPinchOverlayScrollbarThickness(int thickness)
 {
     m_pinchOverlayScrollbarThickness = thickness;
 }
 
 void WebSettingsImpl::setPinchVirtualViewportEnabled(bool enabled)
 {
     m_settings->setPinchVirtualViewportEnabled(enabled);
 }
 
+bool WebSettingsImpl::anchorScrollPositionOnResize() const
+{
+    return m_anchorScrollPositionOnResize;
+}
+
+void WebSettingsImpl::setAnchorScrollPositionOnResize(bool enabled)
+{
+    m_anchorScrollPositionOnResize = enabled;
+}
+
 } // namespace WebKit