PS - Showing permission prompt for activeTab

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 <stddef.h>
 
 #include <memory>
@@ skipping 80 matching lines @@
 
   // Extra information needed to display an installation or uninstallation
   // prompt. Gets populated with raw data and exposes getters for formatted
   // strings so that the GTK/views/Cocoa install dialogs don't have to repeat
   // that logic.
   class Prompt {
    public:
     explicit Prompt(PromptType type);
     ~Prompt();
 
-    void SetPermissions(const extensions::PermissionMessages& permissions,
+    void AddPermissions(const extensions::PermissionMessages& permissions,
                         PermissionsType permissions_type);
     void SetIsShowingDetails(DetailsType type,
                              size_t index,
                              bool is_showing_details);
     void SetWebstoreData(const std::string& localized_user_count,
                          bool show_user_count,
                          double average_rating,
                          int rating_count);
 
     PromptType type() const { return type_; }
@@ skipping 270 matching lines @@
 
   // Whether or not the |show_dialog_callback_| was called.
   bool did_call_show_dialog_;
 
   base::WeakPtrFactory<ExtensionInstallPrompt> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInstallPrompt);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_