Connecting webrtc-internals WebUI frontend with the backend

chrome/browser/ui/webui/webrtc_internals_message_handler.cc

+// 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.
+
+#include "chrome/browser/ui/webui/webrtc_internals_message_handler.h"
+
+#include "chrome/browser/ui/webui/webrtc_internals_proxy.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui.h"
+
+WebRTCInternalsMessageHandler::WebRTCInternalsMessageHandler()
+    : proxy_(new WebRTCInternalsProxy()) {
+  proxy_->Attach(this);
+}
+
+WebRTCInternalsMessageHandler::~WebRTCInternalsMessageHandler() {
+  proxy_->Detach();
+}
+
+void WebRTCInternalsMessageHandler::RegisterMessages() {
+}
+
+void WebRTCInternalsMessageHandler::OnUpdate(const string16& update) {
+  content::RenderViewHost* host =
+      web_ui()->GetWebContents()->GetRenderViewHost();
+  if (host)
+    host->ExecuteJavascriptInWebFrame(string16(), update);
+}