Add tests for panel app icon functionaility.

chrome/browser/ui/panels/base_panel_browser_test.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_BASE_PANEL_BROWSER_TEST_H_
 #define CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_
 
 #include "base/values.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/panels/display_settings_provider.h"
@@ skipping 70 matching lines @@
   static NativePanelTesting* CreateNativePanelTesting(Panel* panel);
 
   void WaitForPanelActiveState(Panel* panel, ActiveState state);
   void WaitForWindowSizeAvailable(Panel* panel);
   void WaitForBoundsAnimationFinished(Panel* panel);
 
   scoped_refptr<extensions::Extension> CreateExtension(
       const FilePath::StringType& path,
       extensions::Extension::Location location,
       const DictionaryValue& extra_value);
+  scoped_refptr<extensions::Extension> LoadExtensionFromManifest(
+      const FilePath::StringType& manifest_file);
 
   void MoveMouseAndWaitForExpansionStateChange(Panel* panel,
                                                const gfx::Point& position);
   static void MoveMouse(const gfx::Point& position);
   void CloseWindowAndWait(Panel* panel);
   static std::string MakePanelName(int index);
 
   // |primary_screen_area| must contain |work_area|. If empty rect is passed
   // to |work_area|, it will be set to same as |primary_screen_area|.
   void SetTestingAreas(const gfx::Rect& primary_screen_area,
@@ skipping 11 matching lines @@
   static const FilePath::CharType* kTestDir;
 
  private:
   // Passed to and owned by PanelManager.
   MockDisplaySettingsProvider* mock_display_settings_provider_;
 
   bool mock_display_settings_enabled_;
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_