Don't allow elevation for CHROME_OS.

chrome/browser/ui/webui/options/managed_user_passphrase_handler.cc

 // Copyright (c) 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/ui/webui/options/managed_user_passphrase_handler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "base/values.h"
@@ skipping 22 matching lines @@
 void ManagedUserPassphraseHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback(
       "setPassphrase",
       base::Bind(&ManagedUserPassphraseHandler::SetLocalPassphrase,
                  weak_ptr_factory_.GetWeakPtr()));
   web_ui()->RegisterMessageCallback(
       "setElevated",
       base::Bind(&ManagedUserPassphraseHandler::SetElevated,
                  weak_ptr_factory_.GetWeakPtr()));
   web_ui()->RegisterMessageCallback(
-      "isPassphraseSet",
-      base::Bind(&ManagedUserPassphraseHandler::IsPassphraseSet,
-                 weak_ptr_factory_.GetWeakPtr()));
-  web_ui()->RegisterMessageCallback(
       "resetPassphrase",
       base::Bind(&ManagedUserPassphraseHandler::ResetPassphrase,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void ManagedUserPassphraseHandler::GetLocalizedValues(
     base::DictionaryValue* localized_strings) {
   DCHECK(localized_strings);
 
   static OptionsStringResource resources[] = {
@@ skipping 31 matching lines @@
     ManagedModeNavigationObserver::FromWebContents(
         web_ui()->GetWebContents())->set_elevated(false);
     return;
   }
   managed_user_service->RequestAuthorization(
       web_ui()->GetWebContents(),
       base::Bind(&ManagedUserPassphraseHandler::PassphraseDialogCallback,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
-void ManagedUserPassphraseHandler::IsPassphraseSet(
-    const base::ListValue* args) {
-  // Get the name of the callback function.
-  std::string callback_function_name;
-  args->GetString(0, &callback_function_name);
-  PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
-  base::FundamentalValue is_passphrase_set(!pref_service->GetString(
-      prefs::kManagedModeLocalPassphrase).empty());
-  web_ui()->CallJavascriptFunction(callback_function_name,
-                                   is_passphrase_set);
-}
-
 void ManagedUserPassphraseHandler::ResetPassphrase(
     const base::ListValue* args) {
   PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
   pref_service->SetString(prefs::kManagedModeLocalPassphrase, std::string());
   pref_service->SetString(prefs::kManagedModeLocalSalt, std::string());
 }
 
 void ManagedUserPassphraseHandler::SetLocalPassphrase(
     const base::ListValue* args) {
   // Only change the passphrase if the custodian is authenticated.
@@ skipping 12 matching lines @@
     PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
     pref_service->SetString(prefs::kManagedModeLocalPassphrase,
                             encoded_passphrase_hash);
     pref_service->SetString(prefs::kManagedModeLocalSalt,
                             passphrase_key_generator.GetSalt());
   }
   // TODO(akuegel): Give failure back to the UI.
 }
 
 }  // namespace options