Mark when we may have been invalidated to early out on repaintTreeAfterLayout.

Source/core/rendering/svg/RenderSVGImage.cpp

 /*
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 77 matching lines @@
     return updatedViewport;
 }
 
 void RenderSVGImage::layout()
 {
     ASSERT(needsLayout());
 
     LayoutRepainter repainter(*this, SVGRenderSupport::checkForSVGRepaintDuringLayout(this) && selfNeedsLayout());
     updateImageViewport();
 
+    setMayNeedInvalidation(true);

[fs, 2014/05/02 17:21:42]

When I see "sprinkles" in this RenderObject, I expect corresponding sprinkles in
RenderSVGShape. (With the gating the way it is, not setting this flag to true
will end up not clearing repaint-state so it seems it could be bad to leave it
unset?)

[dsinclair, 2014/05/02 19:18:53]

De-sprinkled and piggy-backed on layoutWasCalled.

+
     bool transformOrBoundariesUpdate = m_needsTransformUpdate || m_needsBoundariesUpdate;
     if (m_needsTransformUpdate) {
         m_localTransform = toSVGImageElement(element())->animatedLocalTransform();
         m_needsTransformUpdate = false;
     }
 
     if (m_needsBoundariesUpdate) {
         m_repaintBoundingBox = m_objectBoundingBox;
         SVGRenderSupport::intersectRepaintRectWithResources(this, m_repaintBoundingBox);
 
@@ skipping 120 matching lines @@
 
 void RenderSVGImage::addFocusRingRects(Vector<IntRect>& rects, const LayoutPoint&, const RenderLayerModelObject*)
 {
     // this is called from paint() after the localTransform has already been applied
     IntRect contentRect = enclosingIntRect(repaintRectInLocalCoordinates());
     if (!contentRect.isEmpty())
         rects.append(contentRect);
 }
 
 } // namespace WebCore