Propagate resource-triggered repaints to text node children of <text>

Source/core/layout/svg/LayoutSVGResourceContainer.cpp

Index: Source/core/layout/svg/LayoutSVGResourceContainer.cpp
diff --git a/Source/core/layout/svg/LayoutSVGResourceContainer.cpp b/Source/core/layout/svg/LayoutSVGResourceContainer.cpp
index c0366122d6e3f407adbbaca50e2da5219130eac7..8b46803e094506c34d4b7c6286ce423f1d943d8e 100644
--- a/Source/core/layout/svg/LayoutSVGResourceContainer.cpp
+++ b/Source/core/layout/svg/LayoutSVGResourceContainer.cpp
@@ -165,7 +165,12 @@ void LayoutSVGResourceContainer::markClientForInvalidation(LayoutObject* client,
         client->setNeedsBoundariesUpdate();
         break;
     case PaintInvalidation:
-        client->setShouldDoFullPaintInvalidation();
+        // Since LayoutSVGInlineTexts don't have SVGResources (they use their
+        // parent's), they will not be notified of changes to paint servers. So
+        // if the client is one that could have a LayoutSVGInlineText use a
+        // paint invalidation reason that will force paint invalidation of the
+        // entire <text>/<tspan>/... subtree.
+        client->setShouldDoFullPaintInvalidation(PaintInvalidationSVGResourceChange);
         break;
     case ParentOnlyInvalidation:
         break;