Add developer tools message handling to renderer

chrome/renderer/dev_tools_client.h

+// Copyright (c) 2009 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 CHROME_RENDERER_DEV_TOOLS_CLIENT_H_
+#define CHROME_RENDERER_DEV_TOOLS_CLIENT_H_
+
+#include "base/basictypes.h"
+
+namespace IPC {
+class Message;
+}
+class MessageLoop;
+class RenderView;
+
+// Developer tools UI end of communication channel between the render process of
+// the page being inspected and tools UI renderer process. All messages will
+// go through browser process. On the side of the inspected page there's
+// corresponding DevToolsAgent object.
+// TODO(yurys): now the client is almost empty later it will delegate calls to
+// code in glue
+class DevToolsClient {
+ public:
+  explicit DevToolsClient(RenderView* view);
+  virtual ~DevToolsClient();
+
+  // Called to possibly handle the incoming IPC message. Returns true if
+  // handled. Called in render thread.
+  bool OnMessageReceived(const IPC::Message& message);
+
+ private:
+  void DidDebugAttach();
+
+  // Sends message to DevToolsAgent.
+  void Send(const IPC::Message& tools_agent_message);
+
+  RenderView* render_view_;  // host render view
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsClient);
+};
+
+#endif  // CHROME_RENDERER_DEV_TOOLS_CLIENT_H_
+