Merge 136074

Source/WebCore/css/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 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 3949 matching lines @@
 
     // We know the parent is monospace or the child is monospace, and that font
     // size was unspecified. We want to scale our font size as appropriate.
     // If the font uses a keyword size, then we refetch from the table rather than
     // multiplying by our scale factor.
     float size;
     if (childFont.keywordSize())
         size = fontSizeForKeyword(m_checker.document(), CSSValueXxSmall + childFont.keywordSize() - 1, childFont.useFixedDefaultSize());
     else {
         Settings* settings = documentSettings();
-        float fixedScaleFactor = settings
+        float fixedScaleFactor = (settings && settings->defaultFixedFontSize() && settings->defaultFontSize())
             ? static_cast<float>(settings->defaultFixedFontSize()) / settings->defaultFontSize()
             : 1;
         size = parentFont.useFixedDefaultSize() ?
                 childFont.specifiedSize() / fixedScaleFactor :
                 childFont.specifiedSize() * fixedScaleFactor;
     }
 
     FontDescription newFontDescription(childFont);
     setFontSize(newFontDescription, size);
     style->setFontDescription(newFontDescription);
@@ skipping 1201 matching lines @@
     info.addMember(m_scopeResolver);
 
     // FIXME: move this to a place where it would be called only once?
     info.addMember(defaultStyle);
     info.addMember(defaultQuirksStyle);
     info.addMember(defaultPrintStyle);
     info.addMember(defaultViewSourceStyle);
 }
 
 } // namespace WebCore