Single URL Expires Were Not Being Deleted.

chrome/browser/history/top_sites.cc

Index: chrome/browser/history/top_sites.cc
===================================================================
--- chrome/browser/history/top_sites.cc	(revision 132078)
+++ chrome/browser/history/top_sites.cc	(working copy)
@@ -682,10 +682,10 @@
       backend_->ResetDatabase();
     } else {
       std::set<size_t> indices_to_delete;  // Indices into top_sites_.
-      for (std::set<GURL>::iterator i = deleted_details->urls.begin();
-           i != deleted_details->urls.end(); ++i) {
-        if (cache_->IsKnownURL(*i))
-          indices_to_delete.insert(cache_->GetURLIndex(*i));
+      for (URLRows::const_iterator i = deleted_details->rows.begin();
+           i != deleted_details->rows.end(); ++i) {
+        if (cache_->IsKnownURL(i->url()))
+          indices_to_delete.insert(cache_->GetURLIndex(i->url()));
       }
 
       if (indices_to_delete.empty())