First CL for the about:policy page. This only implements the policy section of the page.

chrome/browser/ui/webui/policy_ui.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 CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_
+#define CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_
+#pragma once
+
+#include "base/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/browser/policy/configuration_policy_reader.h"
+#include "chrome/browser/ui/webui/chrome_web_ui.h"
+#include "content/common/notification_observer.h"
+
+// The base class handler of Javascript messages of the about:policy page.
+class PolicyUIHandler : public WebUIMessageHandler {
+ public:
+  PolicyUIHandler();
+  virtual ~PolicyUIHandler();
+
+  // WebUIMessageHandler implementation.
+  virtual WebUIMessageHandler* Attach(WebUI* web_ui) OVERRIDE;
+  virtual void RegisterMessages() OVERRIDE;
+
+ private:
+  typedef policy::ConfigurationPolicyReader ConfigurationPolicyReader;
+
+  // Callback for the "requestPolicyData" message.
+  void HandleRequestPolicyData(const ListValue* args);
+
+  scoped_ptr<policy::PolicyStatus> policy_status_;
+
+  DISALLOW_COPY_AND_ASSIGN(PolicyUIHandler);
+};
+
+// The Web UI handler for about:policy.
+class PolicyUI : public ChromeWebUI {
+ public:
+  explicit PolicyUI(TabContents* contents);
+  virtual ~PolicyUI();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PolicyUI);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_