DevTools: introduce DevToolsAgentHost

content/browser/debugger/render_view_devtools_agent_host.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 CONTENT_BROWSER_DEBUGGER_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
+#define CONTENT_BROWSER_DEBUGGER_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
+#pragma once
+
+#include <map>
+
+#include "base/basictypes.h"
+#include "content/browser/debugger/devtools_agent_host.h"
+#include "content/common/notification_observer.h"
+#include "content/common/notification_registrar.h"
+
+class RenderViewHost;
+
+class RenderViewDevToolsAgentHost : public DevToolsAgentHost,
+                                    public NotificationObserver {
+ public:
+  static DevToolsAgentHost* FindFor(RenderViewHost*);
+  static DevToolsAgentHost* CreateFor(RenderViewHost*);
+
+ private:
+  RenderViewDevToolsAgentHost(RenderViewHost*);
+  virtual ~RenderViewDevToolsAgentHost();
+
+  // DevToolsAgentHost implementation.
+  virtual void SendMessageToAgent(IPC::Message* msg);
+  virtual void NotifyClientClosing();
+  virtual void ClientDetached();
+
+  // Overridden from NotificationObserver:
+  virtual void Observe(int type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  RenderViewHost* render_view_host_;
+  NotificationRegistrar registrar_;
+
+  typedef std::map<RenderViewHost*, RenderViewDevToolsAgentHost*> Instances;
+  static Instances instances_;
+
+  DISALLOW_COPY_AND_ASSIGN(RenderViewDevToolsAgentHost);
+};
+
+#endif  // CONTENT_BROWSER_DEBUGGER_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_