[mac] Implement a windowed extension install/permissions prompt.

chrome/browser/ui/cocoa/extensions/extension_install_prompt_test_utils.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_COCOA_EXTENSIONS_EXTENSION_INSTALL_PROMPT_TEST_UTILS_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_INSTALL_PROMPT_TEST_UTILS_H_
 
 #include "chrome/browser/extensions/extension_install_prompt.h"
 
 namespace chrome {
@@ skipping 12 matching lines @@
   virtual void InstallUIAbort(bool user_initiated) OVERRIDE;
 
   int proceed_count() { return proceed_count_; }
   int abort_count() { return abort_count_; }
 
  protected:
   int proceed_count_;
   int abort_count_;
 };
 
-// Loads the install prompt test extension.
+// Loads the test extension from the given test directory and manifest file.
+scoped_refptr<extensions::Extension> LoadInstallPromptExtension(
+    const char* extension_dir_name,
+    const char* manifest_file);
+
+// Loads the default install_prompt test extension.
 scoped_refptr<extensions::Extension> LoadInstallPromptExtension();
 
 // Loads the icon for the install prompt extension.
 gfx::Image LoadInstallPromptIcon();
 
 // Builds a prompt using the given extension.
 ExtensionInstallPrompt::Prompt BuildExtensionInstallPrompt(
     extensions::Extension* extension);
 
 ExtensionInstallPrompt::Prompt BuildExtensionPostInstallPermissionsPrompt(
     extensions::Extension* extension);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_INSTALL_PROMPT_TEST_UTILS_H_