Remove iframe@seamless

Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 565 matching lines @@
         // Now check SMIL animation override style.
         if (includeSMILProperties && state.element()->isSVGElement())
             collector.addElementStyleProperties(toSVGElement(state.element())->animatedSMILStyleProperties(), false /* isCacheable */);
     }
 }
 
 PassRefPtr<RenderStyle> StyleResolver::styleForDocument(Document& document, CSSFontSelector* fontSelector)
 {
     const Frame* frame = document.frame();
 
-    // HTML5 states that seamless iframes should replace default CSS values
-    // with values inherited from the containing iframe element. However,
-    // some values (such as the case of designMode = "on") still need to
-    // be set by this "document style".
     RefPtr<RenderStyle> documentStyle = RenderStyle::create();
-    bool seamlessWithParent = document.shouldDisplaySeamlesslyWithParent();
-    if (seamlessWithParent) {
-        RenderStyle* iframeStyle = document.seamlessParentIFrame()->renderStyle();
-        if (iframeStyle)
-            documentStyle->inheritFrom(iframeStyle);
-    }
+    documentStyle->setDisplay(BLOCK);
+    documentStyle->setRTLOrdering(document.visuallyOrdered() ? VisualOrder : LogicalOrder);
+    documentStyle->setZoom(frame && !document.printing() ? frame->pageZoomFactor() : 1);
+    documentStyle->setLocale(document.contentLanguage());
 
-    // FIXME: It's not clear which values below we want to override in the seamless case!
-    documentStyle->setDisplay(BLOCK);
-    if (!seamlessWithParent) {
-        documentStyle->setRTLOrdering(document.visuallyOrdered() ? VisualOrder : LogicalOrder);
-        documentStyle->setZoom(frame && !document.printing() ? frame->pageZoomFactor() : 1);
-        documentStyle->setLocale(document.contentLanguage());
-    }
     // This overrides any -webkit-user-modify inherited from the parent iframe.
     documentStyle->setUserModify(document.inDesignMode() ? READ_WRITE : READ_ONLY);
 
     document.setStyleDependentState(documentStyle.get());
     return documentStyle.release();
 }
 
 // FIXME: This is duplicated with StyleAdjuster.cpp
 // Perhaps this should move onto ElementResolveContext or even Element?
 static inline bool isAtShadowBoundary(const Element* element)
@@ skipping 899 matching lines @@
 bool StyleResolver::mediaQueryAffectedByViewportChange() const
 {
     for (unsigned i = 0; i < m_viewportDependentMediaQueryResults.size(); ++i) {
         if (m_medium->eval(&m_viewportDependentMediaQueryResults[i]->m_expression) != m_viewportDependentMediaQueryResults[i]->m_result)
             return true;
     }
     return false;
 }
 
 } // namespace WebCore