Make --allow-cross-domain-auth-prompt equivalent to a preference.

chrome/common/pref_names.cc

 // Copyright (c) 2011 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/common/pref_names.h"
 
 namespace prefs {
 
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
@@ skipping 1243 matching lines @@
 const char kEnableAuthNegotiatePort[] = "auth.enable_negotiate_port";
 // Whitelist containing servers for which Integrated Authentication is enabled.
 const char kAuthServerWhitelist[] = "auth.server_whitelist";
 // Whitelist containing servers Chrome is allowed to do Kerberos delegation
 // with.
 const char kAuthNegotiateDelegateWhitelist[] =
     "auth.negotiate_delegate_whitelist";
 // String that specifies the name of a custom GSSAPI library to load.
 const char kGSSAPILibraryName[] = "auth.gssapi_library_name";
 
+// Boolean that specifies whether to allow basic auth prompting on cross-
+// domain sub-content requests.
+const char kAllowCrossOriginAuthPrompt[] = "auth.allow_cross_origin_prompt";
+
 #if defined(OS_CHROMEOS)
 // Dictionary for transient storage of settings that should go into signed
 // settings storage before owner has been assigned.
 const char kSignedSettingsTempStorage[] = "signed_settings_temp_storage";
 
 // The hardware keyboard layout of the device. This should look like
 // "xkb:us::eng".
 const char kHardwareKeyboardLayout[] = "intl.hardware_keyboard";
 
 // An integer pref which shows number of times carrier deal promo
@@ skipping 84 matching lines @@
   "custom_handlers.registered_protocol_handlers";
 
 // List of protocol handlers the user has requested not to be asked about again.
 const char kIgnoredProtocolHandlers[] =
   "custom_handlers.ignored_protocol_handlers";
 
 // Whether user-specified handlers for protocols and content types can be
 // specified.
 const char kCustomHandlersEnabled[] = "custom_handlers.enabled";
 }  // namespace prefs