IndexedDB: Fix trivial cpplint.py errors

content/browser/indexed_db/indexed_db_dispatcher_host.cc

Index: content/browser/indexed_db/indexed_db_dispatcher_host.cc
diff --git a/content/browser/indexed_db/indexed_db_dispatcher_host.cc b/content/browser/indexed_db/indexed_db_dispatcher_host.cc
index 5ec2b943786cbdaee493f676c36d7a037b074f60..b147951fa337ad756a8d39d01f47e657b918d5b0 100644
--- a/content/browser/indexed_db/indexed_db_dispatcher_host.cc
+++ b/content/browser/indexed_db/indexed_db_dispatcher_host.cc
@@ -244,7 +244,6 @@ IndexedDBCursor* IndexedDBDispatcherHost::GetCursorFromId(int32 ipc_cursor_id) {
            web_metadata.object_stores.begin();
        iter != web_metadata.object_stores.end();
        ++iter) {
-
     const content::IndexedDBObjectStoreMetadata& web_store_metadata =
         iter->second;
     ::IndexedDBObjectStoreMetadata idb_store_metadata;
@@ -902,7 +901,7 @@ void IndexedDBDispatcherHost::CursorDispatcherHost::OnAdvance(
     int32 ipc_cursor_id,
     int32 ipc_thread_id,
     int32 ipc_callbacks_id,
-    unsigned long count) {
+    uint32 count) {
   DCHECK(
       parent_->indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread());
   IndexedDBCursor* idb_cursor =