Fix overflow in history expiry code in 64 bit builds.

chrome/browser/history/expire_history_backend.cc

Index: chrome/browser/history/expire_history_backend.cc
diff --git a/chrome/browser/history/expire_history_backend.cc b/chrome/browser/history/expire_history_backend.cc
index 793d75a9b4751d9cd02a48775dbfd3cba4f1e109..0eceed876f09896435bcc7ba964d8f5e65e30e56 100644
--- a/chrome/browser/history/expire_history_backend.cc
+++ b/chrome/browser/history/expire_history_backend.cc
@@ -327,7 +327,7 @@ void ExpireHistoryBackend::ArchiveHistoryBefore(Time end_time) {
 
   // Archive as much history as possible before the given date.
   ArchiveSomeOldHistory(end_time, GetAllVisitsReader(),
-                        std::numeric_limits<size_t>::max());
+                        std::numeric_limits<int>::max());
   ParanoidExpireHistory();
 }