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 916 matching lines @@
   // The new granted permissions are the union of the already granted
   // permissions and the newly granted permissions.
   scoped_refptr<ExtensionPermissionSet> new_perms(
       ExtensionPermissionSet::CreateUnion(
           permissions, granted_permissions.get()));
 
   SetExtensionPrefPermissionSet(
       extension_id, kPrefGrantedPermissions, new_perms.get());
 }
 
+void ExtensionPrefs::RemoveGrantedPermissions(
+    const std::string& extension_id,
+    const ExtensionPermissionSet* permissions) {
+  CHECK(Extension::IdIsValid(extension_id));
+
+  scoped_refptr<ExtensionPermissionSet> granted_permissions(
+      GetGrantedPermissions(extension_id));
+
+  // The new granted permissions are the difference of the already granted
+  // permissions and the newly ungranted permissions.
+  scoped_refptr<ExtensionPermissionSet> new_perms(
+      ExtensionPermissionSet::CreateDifference(
+          granted_permissions.get(), permissions));
+
+  SetExtensionPrefPermissionSet(
+      extension_id, kPrefGrantedPermissions, new_perms.get());
+}
+
 ExtensionPermissionSet* 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 ExtensionPermissionSet* permissions) {
   SetExtensionPrefPermissionSet(
@@ skipping 994 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);
 }