[IndexedDB] Refactoring to remove ref ptrs and host transaction ids.

content/browser/indexed_db/indexed_db_backing_store_unittest.cc

Index: content/browser/indexed_db/indexed_db_backing_store_unittest.cc
diff --git a/content/browser/indexed_db/indexed_db_backing_store_unittest.cc b/content/browser/indexed_db/indexed_db_backing_store_unittest.cc
index f9ce90c6ba0f6e4401c9396f4a3b35640b9072bc..92d8fc7f57fa7db3333afb8a612de6d9f8a0672b 100644
--- a/content/browser/indexed_db/indexed_db_backing_store_unittest.cc
+++ b/content/browser/indexed_db/indexed_db_backing_store_unittest.cc
@@ -375,9 +375,10 @@ class IndexedDBBackingStoreTest : public testing::Test {
 class TestCallback : public IndexedDBBackingStore::BlobWriteCallback {
  public:
   TestCallback() : called(false), succeeded(false) {}
-  void Run(bool succeeded_in) override {
+  leveldb::Status Run(bool succeeded_in, bool sync_call) override {
     called = true;
     succeeded = succeeded_in;
+    return leveldb::Status::OK();
   }
   bool called;
   bool succeeded;