Connecting webrtc-internals WebUI frontend with the backend

chrome/browser/ui/webui/media/webrtc_internals_message_handler.h

Index: chrome/browser/ui/webui/media/webrtc_internals_message_handler.h
diff --git a/chrome/browser/ui/webui/media/webrtc_internals_message_handler.h b/chrome/browser/ui/webui/media/webrtc_internals_message_handler.h
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index 0000000000000000000000000000000000000000..4eac33fe9aa934bfc01a60bcabd42cde2a167147
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+++ b/chrome/browser/ui/webui/media/webrtc_internals_message_handler.h
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+// Copyright (c) 2013 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_BROWSER_UI_WEBUI_MEDIA_WEBRTC_INTERNALS_MESSAGE_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_MEDIA_WEBRTC_INTERNALS_MESSAGE_HANDLER_H_
+
+#include "base/memory/ref_counted.h"
+#include "chrome/browser/media/webrtc_internals_ui_observer.h"
+#include "content/public/browser/web_ui_message_handler.h"
+
+// This class handles messages to and from WebRTCInternalsUI.
+// It delegates all its work to WebRTCInternalsProxy on the IO thread.
+class WebRTCInternalsMessageHandler : public content::WebUIMessageHandler,
+                                      public WebRTCInternalsUIObserver{
+ public:
+  WebRTCInternalsMessageHandler();
+  virtual ~WebRTCInternalsMessageHandler();
+
+  // WebUIMessageHandler implementation.
+  virtual void RegisterMessages() OVERRIDE;
+
+  // WebRTCInternalsUIObserver override.
+  virtual void OnUpdate(const std::string& command,
+                        const base::Value* args) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WebRTCInternalsMessageHandler);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_WEBRTC_INTERNALS_MESSAGE_HANDLER_H_