Index: CachedResource.cpp
===================================================================
--- CachedResource.cpp	(revision 103399)
+++ CachedResource.cpp	(working copy)
@@ -366,6 +366,9 @@
 
 void CachedResource::addClient(CachedResourceClient* client)
 {
+    if (isPurgeable())
+        makePurgeable(false);
+
     addClientToSet(client);
     didAddClient(client);
 }