first cut at uber page

chrome/browser/ui/webui/uber/uber_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_UBER_UBER_UI_H_
+#define CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
+#pragma once
+
+#include <string>
+
+#include "base/memory/scoped_vector.h"
+#include "base/values.h"
+#include "chrome/browser/ui/webui/chrome_web_ui.h"
+
+// The ChromeWebUI class for the uber page (chrome://chrome). It manages the
+// UI for the uber page (navigation bar and so forth) as well as ChromeWebUI
+// objects for pages that appear in the uber page.
+class UberUI : public ChromeWebUI {
+ public:
+  explicit UberUI(TabContents* contents);
+  virtual ~UberUI();
+
+  // ChromeWebUI implementation.
+  virtual void OnWebUISend(const GURL& source_url,
+                           const std::string& message,
+                           const ListValue& args) OVERRIDE;
+
+  // We forward these to |sub_uis_|.
+  virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
+  virtual void RenderViewReused(RenderViewHost* render_view_host) OVERRIDE;
+  virtual void DidBecomeActiveForReusedRenderView() OVERRIDE;
+
+ private:
+  // Collection of WebUIs for the subpages within uber.
+  ScopedVector<ChromeWebUI> sub_uis_;
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_