Supervised Users always need custodian approval for permission increase

chrome/browser/extensions/extension_util.cc

 // Copyright 2013 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_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/values.h"
@@ skipping 26 matching lines @@
 #include "ui/base/resource/resource_bundle.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/file_manager/app_id.h"
 #endif
 
 namespace extensions {
 namespace util {
 
 namespace {
-
-const char kSupervisedUserExtensionPermissionIncreaseFieldTrialName[] =
-    "SupervisedUserExtensionPermissionIncrease";
-
 // The entry into the prefs used to flag an extension as installed by custodian.
 // It is relevant only for supervised users.
 const char kWasInstalledByCustodianPrefName[] = "was_installed_by_custodian";
 
 // Returns true if |extension| should always be enabled in incognito mode.
 bool IsWhitelistedForIncognito(const Extension* extension) {
   const Feature* feature = FeatureProvider::GetBehaviorFeature(
       BehaviorFeature::kWhitelistedForIncognito);
   return feature && feature->IsAvailableToExtension(extension).is_available();
 }
@@ skipping 288 matching lines @@
 #else
   return true;
 #endif
 }
 
 bool IsExtensionSupervised(const Extension* extension, Profile* profile) {
   return WasInstalledByCustodian(extension->id(), profile) &&
          profile->IsSupervised();
 }
 
-bool NeedCustodianApprovalForPermissionIncrease(const Profile* profile) {
-  if (!profile->IsSupervised())
-    return false;
-  // Query the trial group name first, to make sure it's properly initialized.
-  base::FieldTrialList::FindFullName(
-      kSupervisedUserExtensionPermissionIncreaseFieldTrialName);
-  std::string value = variations::GetVariationParamValue(
-      kSupervisedUserExtensionPermissionIncreaseFieldTrialName,
-      profile->IsChild() ? "child_account" : "legacy_supervised_user");
-  return value == "true";
-}
-
 }  // namespace util
 }  // namespace extensions