Modify old Panel test files and include them in .gyp.

chrome/browser/ui/panels/panel.h

 // Copyright (c) 2012 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_PANELS_PANEL_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 265 matching lines @@
   // Panel can only be created using PanelManager::CreatePanel() or subclass.
   // |app_name| is the default title for Panels when the page content does not
   // provide a title. For extensions, this is usually the application name
   // generated from the extension id.
   Panel(const std::string& app_name,
         const gfx::Size& min_size, const gfx::Size& max_size);
 
  private:
   friend class PanelManager;
   friend class PanelBrowserTest;
+  friend class OldPanelBrowserTest;
 
   enum MaxSizePolicy {
     // Default maximum size is proportional to the work area.
     DEFAULT_MAX_SIZE,
     // Custom maximum size is used when the panel is resized by the user.
     CUSTOM_MAX_SIZE
   };
 
   // Configures the renderer for auto resize (if auto resize is enabled).
   void ConfigureAutoResize(content::WebContents* web_contents);
@@ skipping 47 matching lines @@
 
   // The CommandUpdater manages the window commands.
   CommandUpdater command_updater_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(Panel);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_H_