Fix SVG {text, foreignObject} transform for css animation

third_party/WebKit/Source/core/layout/svg/LayoutSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 449 matching lines @@
         return createPositionWithAffinity(0);
 
     return closestBox->lineLayoutItem().positionForPoint(LayoutPoint(pointInContents.x(), closestBox->y()));
 }
 
 void LayoutSVGText::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) const
 {
     quads.append(localToAbsoluteQuad(strokeBoundingBox(), 0 /* mode */, wasFixed));
 }
 
+void LayoutSVGText::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
+{
+    if (diff.needsFullLayout()) {
+        setNeedsBoundariesUpdate();
+        if (style()->hasTransform())

[fs, 2016/01/02 16:41:13]

Since LayoutSVGBlock doesn't do this, then presumably <foreignObject> suffer
from the same issue. If so the fix should probably be in LayoutSVGBlock.

+            setNeedsTransformUpdate();
+    }
+    LayoutSVGBlock::styleDidChange(diff, oldStyle);
+    SVGResourcesCache::clientStyleChanged(this, diff, styleRef());

[fs, 2016/01/02 16:41:13]

The call to the super-class (just above) would've achieved this I think. 

+}
+
 void LayoutSVGText::paint(const PaintInfo& paintInfo, const LayoutPoint&) const
 {
     SVGTextPainter(*this).paint(paintInfo);
 }
 
 FloatRect LayoutSVGText::strokeBoundingBox() const
 {
     FloatRect strokeBoundaries = objectBoundingBox();
     const SVGComputedStyle& svgStyle = style()->svgStyle();
     if (!svgStyle.hasStroke())
@@ skipping 50 matching lines @@
         paintInvalidationState.pushDelayedPaintInvalidationTarget(*this);
 
     ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
     PaintInvalidationState childTreeWalkState(paintInvalidationState, *this, paintInvalidationState.paintInvalidationContainer());
     if (reason == PaintInvalidationSVGResourceChange)
         childTreeWalkState.setForceSubtreeInvalidationWithinContainer();
     invalidatePaintOfSubtreesIfNeeded(childTreeWalkState);
 }
 
 }