Add a user id parameter to connections

components/leveldb/leveldb_app.cc

Index: components/leveldb/leveldb_app.cc
diff --git a/components/leveldb/leveldb_app.cc b/components/leveldb/leveldb_app.cc
index 1e9d1682da4bb2e021eade0bee4958b0bfa2d851..01fd2ff4f0e06c0bf29bc8738be9926cc31e9e83 100644
--- a/components/leveldb/leveldb_app.cc
+++ b/components/leveldb/leveldb_app.cc
@@ -15,7 +15,8 @@ LevelDBApp::~LevelDBApp() {}
 
 void LevelDBApp::Initialize(mojo::Shell* shell,
                             const std::string& url,
-                            uint32_t id) {
+                            uint32_t id,
+                            uint32_t user_id) {
   tracing_.Initialize(shell, url);
   service_.reset(new LevelDBServiceImpl);
 }