Make unicode-bidi:isolate the default for block elements instead of unicode-bidi:embed

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.
@@ skipping 44 matching lines @@
 StyleSheetContents* CSSDefaultStyleSheets::quirksStyleSheet;
 StyleSheetContents* CSSDefaultStyleSheets::svgStyleSheet;
 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,a: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}body:-webkit-seamless-document{margin:0}body:-webkit-full-page-media{background-color:black}@page{size:auto;margin:auto;padding:0;border-width:0}";
 
 static inline bool elementCanUseSimpleDefaultStyle(Element* e)
 {
-    return isHTMLHtmlElement(e) || e->hasTagName(headTag) || e->hasTagName(bodyTag) || e->hasTagName(divTag) || e->hasTagName(spanTag) || e->hasTagName(brTag) || isHTMLAnchorElement(e);
+    return isHTMLHtmlElement(e) || e->hasTagName(headTag) || e->hasTagName(bodyTag) ||  e->hasTagName(spanTag) || e->hasTagName(brTag) || isHTMLAnchorElement(e);

[esprehn, 2013/11/14 06:46:54]

Removing div from the simple sheet doesn't look right. That defeats the
advantage  of the simple sheet. Every web page ever uses <div>'s.

 }
 
 static const MediaQueryEvaluator& screenEval()
 {
     DEFINE_STATIC_LOCAL(const MediaQueryEvaluator, staticScreenEval, ("screen"));
     return staticScreenEval;
 }
 
 static const MediaQueryEvaluator& printEval()
 {
@@ skipping 120 matching lines @@
         defaultStyle->addRulesFromSheet(fullscreenStyleSheet, screenEval());
         defaultQuirksStyle->addRulesFromSheet(fullscreenStyleSheet, screenEval());
         changedDefaultStyle = true;
     }
 
     ASSERT(defaultStyle->features().idsInRules.isEmpty());
     ASSERT(defaultStyle->features().siblingRules.isEmpty());
 }
 
 } // namespace WebCore