Re-styled the App Info Dialog according to UI feedback

chrome/browser/ui/views/apps/app_info_dialog/app_info_panel.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_PANEL_H_
+#define CHROME_BROWSER_UI_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_PANEL_H_
+
+#include "ui/views/view.h"
+
+class Profile;
+
+namespace extensions {
+class Extension;
+}
+namespace views {
+class Label;
+}
+
+// A piece of the App Info dialog that displays information for a particular
+// profile and app. Panels in the App Info dialog extend this class.
+class AppInfoPanel : public views::View {
+ public:
+  AppInfoPanel(Profile* profile, const extensions::Extension* app);
+
+  virtual ~AppInfoPanel();
+
+ protected:
+  // Create a heading label with the given text.
+  views::Label* CreateHeading(const base::string16& text) const;
+
+  // Create a view with a vertically-stacked box layout, which can have child
+  // views appended to it.
+  views::View* CreateVerticalStack() const;
+
+  Profile* profile_;
+  const extensions::Extension* app_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AppInfoPanel);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_PANEL_H_