DevTools: add initial support for shared workers debugging

content/browser/debugger/worker_devtools_manager.h

Index: content/browser/debugger/worker_devtools_manager.h
diff --git a/content/browser/debugger/worker_devtools_manager.h b/content/browser/debugger/worker_devtools_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..c91cb1419dc3aeefd36ce86249f7c89af7f7dd8d
--- /dev/null
+++ b/content/browser/debugger/worker_devtools_manager.h
@@ -0,0 +1,50 @@
+// 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 CONTENT_BROWSER_DEBUGGER_WORKER_DEVTOOLS_MANAGER_H_
+#define CONTENT_BROWSER_DEBUGGER_WORKER_DEVTOOLS_MANAGER_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/memory/singleton.h"
+#include "base/scoped_ptr.h"
+
+namespace IPC {
+class Message;
+}
+class DevToolsClientHost;
+class WorkerDevToolsMessageFilter;
+
+// All methods are supposed to be called on the IO thread.
+class WorkerDevToolsManager {
+ public:
+  // Returns the WorkerDevToolsManager singleton.
+  static WorkerDevToolsManager* GetInstance();
+
+  static bool ForwardToWorkerDevToolsAgent(DevToolsClientHost* from,
+                                           const IPC::Message& message);
+
+  void OpenDevToolsForWorker(int worker_process_id, int worker_route_id);
+  void WorkerDevToolsClientClosing(int worker_devtools_id);
+
+  void ForwardToDevToolsClient(int worker_process_id,
+                               int worker_route_id,
+                               const IPC::Message& message);
+  void ForwardToWorkerDevToolsAgent(int worker_devtools_id,
+                                    const IPC::Message& message);
+  void WorkerProcessDestroying(int worker_process_host_id);
+
+ private:
+  friend struct DefaultSingletonTraits<WorkerDevToolsManager>;
+
+  WorkerDevToolsManager();
+  ~WorkerDevToolsManager();
+
+  class DevToolsWorkerIds;
+  scoped_ptr<DevToolsWorkerIds> devtools_worker_ids_;
+
+  DISALLOW_COPY_AND_ASSIGN(WorkerDevToolsManager);
+};
+
+#endif  // CONTENT_BROWSER_DEBUGGER_WORKER_DEVTOOLS_MANAGER_H_