Revert r 144574 "Modify experimental identity flow to display scope descriptions and details."

chrome/browser/extensions/extension_prefs.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_prefs.h"
 
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/admin_policy.h"
@@ skipping 918 matching lines @@
   // The new granted permissions are the union of the already granted
   // permissions and the newly granted permissions.
   scoped_refptr<PermissionSet> new_perms(
       PermissionSet::CreateUnion(
           permissions, granted_permissions.get()));
 
   SetExtensionPrefPermissionSet(
       extension_id, kPrefGrantedPermissions, new_perms.get());
 }
 
-void ExtensionPrefs::RemoveGrantedPermissions(
-    const std::string& extension_id,
-    const PermissionSet* permissions) {
-  CHECK(Extension::IdIsValid(extension_id));
-
-  scoped_refptr<PermissionSet> granted_permissions(
-      GetGrantedPermissions(extension_id));
-
-  // The new granted permissions are the difference of the already granted
-  // permissions and the newly ungranted permissions.
-  scoped_refptr<PermissionSet> new_perms(
-      PermissionSet::CreateDifference(
-          granted_permissions.get(), permissions));
-
-  SetExtensionPrefPermissionSet(
-      extension_id, kPrefGrantedPermissions, new_perms.get());
-}
-
 PermissionSet* ExtensionPrefs::GetActivePermissions(
     const std::string& extension_id) {
   CHECK(Extension::IdIsValid(extension_id));
   return ReadExtensionPrefPermissionSet(extension_id, kPrefActivePermissions);
 }
 
 void ExtensionPrefs::SetActivePermissions(
     const std::string& extension_id,
     const PermissionSet* permissions) {
   SetExtensionPrefPermissionSet(
@@ skipping 941 matching lines @@
                             PrefService::UNSYNCABLE_PREF);
   prefs->RegisterInt64Pref(prefs::kLastExtensionsUpdateCheck,
                            0,  // default value
                            PrefService::UNSYNCABLE_PREF);
   prefs->RegisterInt64Pref(prefs::kNextExtensionsUpdateCheck,
                            0,  // default value
                            PrefService::UNSYNCABLE_PREF);
   prefs->RegisterListPref(prefs::kExtensionAllowedInstallSites,
                           PrefService::UNSYNCABLE_PREF);
 }