Trigger computation of font size when crossing foreignObject boundary

Source/core/css/resolver/StyleAdjuster.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 257 matching lines @@
     if (style->preserves3D() && (style->overflowX() != OVISIBLE
         || style->overflowY() != OVISIBLE
         || style->hasFilter()))
         style->setTransformStyle3D(TransformStyle3DFlat);
 
     if (e && e->isSVGElement()) {
         // Only the root <svg> element in an SVG document fragment tree honors css position
         if (!(isSVGSVGElement(*e) && e->parentNode() && !e->parentNode()->isSVGElement()))
             style->setPosition(RenderStyle::initialPosition());
 
-        // RenderSVGRoot handles zooming for the whole SVG subtree, so foreignObject content should
-        // not be scaled again.
-        if (isSVGForeignObjectElement(*e))
-            style->setEffectiveZoom(RenderStyle::initialZoom());
-
         // SVG text layout code expects us to be a block-level style element.
         if ((isSVGForeignObjectElement(*e) || isSVGTextElement(*e)) && style->isDisplayInlineType())
             style->setDisplay(BLOCK);
     }
 
     if (e && e->renderStyle() && e->renderStyle()->textAutosizingMultiplier() != 1) {
         // Preserve the text autosizing multiplier on style recalc.
         // (The autosizer will update it during layout if it needs to be changed.)
         style->setTextAutosizingMultiplier(e->renderStyle()->textAutosizingMultiplier());
         style->setUnique();
@@ skipping 153 matching lines @@
     if (style->writingMode() != TopToBottomWritingMode && (style->display() == BOX || style->display() == INLINE_BOX))
         style->setWritingMode(TopToBottomWritingMode);
 
     if (isDisplayFlexibleBox(parentStyle->display()) || isDisplayGridBox(parentStyle->display())) {
         style->setFloating(NoFloat);
         style->setDisplay(equivalentBlockDisplay(style->display(), style->isFloating(), !m_useQuirksModeStyles));
     }
 }
 
 }