Introduce isHTMLAnchorElement and toHTMLAnchorElement

Source/core/css/CSSDefaultStyleSheets.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 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.
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  */
 
 #include "config.h"
 #include "core/css/CSSDefaultStyleSheets.h"
 
 #include "UserAgentStyleSheets.h"
 #include "core/css/MediaQueryEvaluator.h"
 #include "core/css/RuleSet.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/FullscreenController.h"
+#include "core/html/HTMLAnchorElement.h"
 #include "core/rendering/RenderTheme.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 RuleSet* CSSDefaultStyleSheets::defaultStyle;
 RuleSet* CSSDefaultStyleSheets::defaultQuirksStyle;
 RuleSet* CSSDefaultStyleSheets::defaultPrintStyle;
 RuleSet* CSSDefaultStyleSheets::defaultViewSourceStyle;
 
 StyleSheetContents* CSSDefaultStyleSheets::simpleDefaultStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::defaultStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::quirksStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::svgStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::mathMLStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::mediaControlsStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::fullscreenStyleSheet;
 
 // FIXME: It would be nice to use some mechanism that guarantees this is in sync with the real UA stylesheet.
 static const char* simpleUserAgentStyleSheet = "html,body,div{display:block}head{display:none}body{margin:8px}div:focus,span:focus{outline:auto 5px -webkit-focus-ring-color}a:-webkit-any-link{color:-webkit-link;text-decoration:underline}a:-webkit-any-link:active{color:-webkit-activelink}";
 
 static inline bool elementCanUseSimpleDefaultStyle(Element* e)
 {
-    return e->hasTagName(htmlTag) || e->hasTagName(headTag) || e->hasTagName(bodyTag) || e->hasTagName(divTag) || e->hasTagName(spanTag) || e->hasTagName(brTag) || e->hasTagName(aTag);
+    return e->hasTagName(htmlTag) || e->hasTagName(headTag) || e->hasTagName(bodyTag) || e->hasTagName(divTag) || e->hasTagName(spanTag) || e->hasTagName(brTag) || isHTMLAnchorElement(e);
 }
 
 static const MediaQueryEvaluator& screenEval()
 {
     DEFINE_STATIC_LOCAL(const MediaQueryEvaluator, staticScreenEval, ("screen"));
     return staticScreenEval;
 }
 
 static const MediaQueryEvaluator& printEval()
 {
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         defaultStyle->addRulesFromSheet(fullscreenStyleSheet, screenEval());
         defaultQuirksStyle->addRulesFromSheet(fullscreenStyleSheet, screenEval());
         changedDefaultStyle = true;
     }
 
     ASSERT(defaultStyle->features().idsInRules.isEmpty());
     ASSERT(mathMLStyleSheet || defaultStyle->features().siblingRules.isEmpty());
 }
 
 } // namespace WebCore