1 files changed, 8 insertions, 1 deletions
diff --git a/WebCore/rendering/RenderCounter.cpp b/WebCore/rendering/RenderCounter.cpp
index 1882b12..4b6deed 100644
--- a/WebCore/rendering/RenderCounter.cpp
+++ b/WebCore/rendering/RenderCounter.cpp
@@ -219,7 +219,7 @@ const char* RenderCounter::renderName() const
     return "RenderCounter";
 }
 
-bool RenderCounter::isRenderCounter() const
+bool RenderCounter::isCounter() const
 {
     return true;
 }
@@ -263,6 +263,12 @@ void RenderCounter::calcPrefWidths(int lead)
     RenderText::calcPrefWidths(lead);
 }
 
+void RenderCounter::invalidate()
+{
+    m_counterNode = 0;
+    setNeedsLayoutAndPrefWidthsRecalc();
+}
+
 static void destroyCounterNodeChildren(AtomicStringImpl* identifier, CounterNode* node)
 {
     CounterNode* previous;
@@ -271,6 +277,7 @@ static void destroyCounterNodeChildren(AtomicStringImpl* identifier, CounterNode
         child->parent()->removeChild(child);
         ASSERT(counterMaps().get(child->renderer())->get(identifier) == child);
         counterMaps().get(child->renderer())->remove(identifier);
+        child->renderer()->invalidateCounters();
         delete child;
     }
 }