Deprecate STORAGE_EXPORT_PRIVATE macro.

storage/browser/database/database_quota_client.h

Index: storage/browser/database/database_quota_client.h
diff --git a/storage/browser/database/database_quota_client.h b/storage/browser/database/database_quota_client.h
index 8612310678b6fcd376f1a2a385e5020bcbae0934..a8760297e7312ea862a96e15138f2ab7fc745ae2 100644
--- a/storage/browser/database/database_quota_client.h
+++ b/storage/browser/database/database_quota_client.h
@@ -21,8 +21,7 @@ class DatabaseTracker;
 // A QuotaClient implementation to integrate WebSQLDatabases
 // with the quota  management system. This interface is used
 // on the IO thread by the quota manager.
-class STORAGE_EXPORT_PRIVATE DatabaseQuotaClient
-    : public storage::QuotaClient {
+class STORAGE_EXPORT DatabaseQuotaClient : public storage::QuotaClient {
  public:
   DatabaseQuotaClient(
       base::SingleThreadTaskRunner* tracker_thread,