Re-styled the App Info Dialog according to UI feedback

chrome/browser/ui/views/apps/app_info_dialog/app_info_tab.h

-// Copyright 2014 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_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_TAB_H_
-#define CHROME_BROWSER_UI_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_TAB_H_
-
-#include "ui/views/view.h"
-
-class Profile;
-
-namespace extensions {
-class Extension;
-}
-namespace views {
-class View;
-}
-
-// A tab in the App Info dialog that displays information for a particular
-// profile and app. Tabs in the App Info dialog extend this class.
-class AppInfoTab : public views::View {
- public:
-  AppInfoTab(Profile* profile, const extensions::Extension* app);
-
-  virtual ~AppInfoTab();
-
- protected:
-  Profile* profile_;
-  const extensions::Extension* app_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(AppInfoTab);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_TAB_H_