Don't assume that the parser is still enabled after we've returned to the event loop. bug 380590, r+sr=sicking

content/base/src/nsContentSink.cpp

@@ -1528,11 +1528,19 @@ nsContentSink::ContinueInterruptedParsing()
   }
 }
 
+void
+nsContentSink::ContinueInterruptedParsingIfEnabled()
+{
+  if (mParser && mParser->IsParserEnabled()) {
+    mParser->ContinueInterruptedParsing();
+  }
+}
+
 void
 nsContentSink::ContinueInterruptedParsingAsync()
 {
   nsCOMPtr<nsIRunnable> ev = new nsRunnableMethod<nsContentSink>(this,
-    &nsContentSink::ContinueInterruptedParsing);
+    &nsContentSink::ContinueInterruptedParsingIfEnabled);
 
   NS_DispatchToCurrentThread(ev);
 }

content/base/src/nsContentSink.h

@@ -218,6 +218,7 @@ private:
 protected:
 
   void ContinueInterruptedParsingAsync();
+  void ContinueInterruptedParsingIfEnabled();
   void ContinueInterruptedParsing();
 
   nsCOMPtr<nsIDocument>         mDocument;