Dispatch IndexedDB IPC messages to worker threads

content/renderer/webcore_worker_tracker.h

+// Copyright (c) 2011 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.
+
+#ifndef WEBCORE_WORKER_TRACKER_H
+#define WEBCORE_WORKER_TRACKER_H
+#pragma once
+
+namespace WebKit {
+class WebWorkerRunLoop;
+}
+
+using WebKit::WebWorkerRunLoop;
+
+class WebCoreWorkerTracker {
+ public:
+  virtual void DidStartWorkerRunLoop(const WebWorkerRunLoop& runLoop) = 0;
+  virtual void DidStopWorkerRunLoop(const WebWorkerRunLoop& runLoop) = 0;
+  virtual WebWorkerRunLoop* current() = 0;
+};
+
+#endif