Add a force-layout-height-to-zero layout mode to WebViewImpl

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 56 matching lines @@
     if (m_settings->genericFontFamilySettings().updateStandard(font, script))
         m_settings->notifyGenericFontFamilyChange();
 }
 
 void WebSettingsImpl::setFixedFontFamily(const WebString& font, UScriptCode script)
 {
     if (m_settings->genericFontFamilySettings().updateFixed(font, script))
         m_settings->notifyGenericFontFamilyChange();
 }
 
+void WebSettingsImpl::setForceZeroLayoutHeight(bool enabled)
+{
+    m_settings->setForceZeroLayoutHeight(enabled);
+}
+
 void WebSettingsImpl::setFullscreenSupported(bool enabled)
 {
     m_settings->setFullscreenSupported(enabled);
 }
 
 void WebSettingsImpl::setSerifFontFamily(const WebString& font, UScriptCode script)
 {
     if (m_settings->genericFontFamilySettings().updateSerif(font, script))
         m_settings->notifyGenericFontFamilyChange();
 }
@@ skipping 602 matching lines @@
 {
     m_mainFrameResizesAreOrientationChanges = enabled;
 }
 
 void WebSettingsImpl::setDisallowFullscreenForNonMediaElements(bool enabled)
 {
     m_settings->setDisallowFullscreenForNonMediaElements(enabled);
 }
 
 } // namespace blink