Introduce isHTMLHtmlElement and toHTMLHtmlElement

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 59 matching lines @@
 #include "core/css/resolver/StyleBuilder.h"
 #include "core/css/resolver/TransformBuilder.h"
 #include "core/css/resolver/ViewportStyleResolver.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 #include "core/dom/FullscreenController.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/NodeRenderingContext.h"
 #include "core/dom/Text.h"
 #include "core/dom/WebCoreMemoryInstrumentation.h"
 #include "core/dom/shadow/ShadowRoot.h"
+#include "core/html/HTMLHtmlElement.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLOptGroupElement.h"
 #include "core/html/HTMLTableElement.h"
 #include "core/html/track/WebVTTElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/cache/CachedDocument.h"
 #include "core/loader/cache/CachedSVGDocumentReference.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
@@ skipping 1454 matching lines @@
         // FIXME: Once we implement pagination controls, overflow-x should default to hidden
         // if overflow-y is set to -webkit-paged-x or -webkit-page-y. For now, we'll let it
         // default to auto so we can at least scroll through the pages.
         style->setOverflowX(OAUTO);
     } else if (style->overflowY() == OVISIBLE && style->overflowX() != OVISIBLE)
         style->setOverflowY(OAUTO);
 
     // Call setStylesForPaginationMode() if a pagination mode is set for any non-root elements. If these
     // styles are specified on a root element, then they will be incorporated in
     // StyleResolver::styleForDocument().
-    if ((style->overflowY() == OPAGEDX || style->overflowY() == OPAGEDY) && !(e && (e->hasTagName(htmlTag) || e->hasTagName(bodyTag))))
+    if ((style->overflowY() == OPAGEDX || style->overflowY() == OPAGEDY) && !(e && (isHTMLHtmlElement(e) || e->hasTagName(bodyTag))))
         setStylesForPaginationMode(WebCore::paginationModeForRenderStyle(style), style);
 
     // Table rows, sections and the table itself will support overflow:hidden and will ignore scroll/auto.
     // FIXME: Eventually table sections will support auto and scroll.
     if (style->display() == TABLE || style->display() == INLINE_TABLE
         || style->display() == TABLE_ROW_GROUP || style->display() == TABLE_ROW) {
         if (style->overflowX() != OVISIBLE && style->overflowX() != OHIDDEN)
             style->setOverflowX(OVISIBLE);
         if (style->overflowY() != OVISIBLE && style->overflowY() != OHIDDEN)
             style->setOverflowY(OVISIBLE);
@@ skipping 836 matching lines @@
 void CachedMatchedProperties::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
     info.addMember(matchedProperties, "matchedProperties");
     info.addMember(ranges, "ranges");
     info.addMember(renderStyle, "renderStyle");
     info.addMember(parentRenderStyle, "parentRenderStyle");
 }
 
 } // namespace WebCore