[Extensions] Introduce a ScopedExtensionDialogAutoConfirm

chrome/browser/extensions/extension_install_prompt.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_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 34 matching lines @@
 }  // namespace extensions
 
 namespace infobars {
 class InfoBarDelegate;
 }
 
 // Displays all the UI around extension installation.
 class ExtensionInstallPrompt
     : public base::SupportsWeakPtr<ExtensionInstallPrompt> {
  public:
-  // A setting to cause extension/app installs from the webstore skip the normal
-  // confirmation dialog. This should only be used in tests.
-  enum AutoConfirmForTests {
-    NONE,    // The prompt will show normally.
-    ACCEPT,  // The prompt will always accept.
-    CANCEL,  // The prompt will always cancel.
-  };
-  static AutoConfirmForTests g_auto_confirm_for_tests;
-
   // This enum is associated with Extensions.InstallPrompt_Type UMA histogram.
   // Do not modify existing values and add new values only to the end.
   enum PromptType {
     UNSET_PROMPT_TYPE = -1,
     INSTALL_PROMPT = 0,
     INLINE_INSTALL_PROMPT,
     BUNDLE_INSTALL_PROMPT,
     RE_ENABLE_PROMPT,
     PERMISSIONS_PROMPT,
     EXTERNAL_INSTALL_PROMPT,
@@ skipping 388 matching lines @@
   Delegate* delegate_;
 
   // A pre-filled prompt.
   scoped_refptr<Prompt> prompt_;
 
   // Used to show the confirm dialog.
   ShowDialogCallback show_dialog_callback_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_