mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/leveldb/leveldb_app.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/leveldb/leveldb_app.h"
 
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
 #include "components/leveldb/leveldb_service_impl.h"
 #include "mojo/shell/public/cpp/connection.h"
 
 namespace leveldb {
 
-LevelDBApp::LevelDBApp() {}
+scoped_ptr<mojo::ShellClient> CreateLevelDBApp() {
+  return make_scoped_ptr(new LevelDBApp);
+}
+
+LevelDBApp::LevelDBApp()
+    : outstanding_bindings_(0) {
+  bindings_.set_connection_error_handler(
+      base::Bind(&LevelDBApp::OnConnectionError, base::Unretained(this)));
+}
 
 LevelDBApp::~LevelDBApp() {}
 
+void LevelDBApp::OnConnectionError() {
+  outstanding_bindings_--;
+  if (outstanding_bindings_ == 0)
+    base::MessageLoop::current()->QuitNow();
+}
+
 void LevelDBApp::Initialize(mojo::Connector* connector,
                             const std::string& url,
                             uint32_t id,
                             uint32_t user_id) {
   tracing_.Initialize(connector, url);
   service_.reset(new LevelDBServiceImpl);
 }
 
 bool LevelDBApp::AcceptConnection(mojo::Connection* connection) {
   connection->AddInterface<LevelDBService>(this);
   return true;
 }
 
 void LevelDBApp::Create(mojo::Connection* connection,
                         mojo::InterfaceRequest<LevelDBService> request) {
+  outstanding_bindings_++;
   bindings_.AddBinding(service_.get(), std::move(request));
 }
 
 }  // namespace leveldb