Correctly handle expired and truncated visits in typed url sync

chrome/browser/sync/profile_sync_service_typed_url_unittest.cc

Index: chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc b/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
index 715f8d74c08e67c5d9c3dada415f3f6bd0baaeeb..bda65ee7f57a3e4df8922f98351b821c7bb76d80 100644
--- a/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
@@ -267,8 +267,10 @@ class ProfileSyncServiceTypedUrlTest : public AbstractProfileSyncServiceTest {
                                            int64 last_visit,
                                            bool hidden,
                                            history::VisitVector* visits) {
+    // Give each URL a unique ID, to mimic the behavior of the real database.
+    static int unique_url_id = 0;
     GURL gurl(url);
-    URLRow history_url(gurl);
+    URLRow history_url(gurl, ++unique_url_id);
     history_url.set_title(UTF8ToUTF16(title));
     history_url.set_typed_count(typed_count);
     history_url.set_last_visit(