The SQLitePersistentCookieStore should use a non-partial index on iOS.

content/browser/net/sqlite_persistent_cookie_store.cc

Index: content/browser/net/sqlite_persistent_cookie_store.cc
diff --git a/content/browser/net/sqlite_persistent_cookie_store.cc b/content/browser/net/sqlite_persistent_cookie_store.cc
index 8713294e92a4de021a1432b8f2546d3cf8248981..a6691bfae76977a4584ad17b12d7e84ec9c8053f 100644
--- a/content/browser/net/sqlite_persistent_cookie_store.cc
+++ b/content/browser/net/sqlite_persistent_cookie_store.cc
@@ -432,11 +432,17 @@ bool InitTable(sql::Connection* db) {
   if (!db->Execute("CREATE INDEX domain ON cookies(host_key)"))
     return false;
 
+#if defined(OS_IOS)
+  if (!db->Execute("CREATE INDEX is_transient ON cookies(persistent)")) {
+    return false;
+  }
+#else
   if (!db->Execute(
           "CREATE INDEX is_transient ON cookies(persistent) "
           "where persistent != 1")) {
     return false;
   }
+#endif
 
   return true;
 }