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

Source/core/rendering/svg/RenderSVGImage.cpp

Index: Source/core/rendering/svg/RenderSVGImage.cpp
diff --git a/Source/core/rendering/svg/RenderSVGImage.cpp b/Source/core/rendering/svg/RenderSVGImage.cpp
index 4efac7e29b9eb638f86fc41a75e8384ef9c39d63..550fa5c3274a47bfeb5e9767369b12d99b1cd368 100644
--- a/Source/core/rendering/svg/RenderSVGImage.cpp
+++ b/Source/core/rendering/svg/RenderSVGImage.cpp
@@ -95,6 +95,8 @@ void RenderSVGImage::layout()
     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();