Do not show untrustworthy strings in the basic auth dialog.

chrome/browser/ui/cocoa/login_prompt_cocoa.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_LOGIN_PROMPT_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_LOGIN_PROMPT_COCOA_H_
 
 #import <Cocoa/Cocoa.h>
 
 class LoginHandlerMac;
 
 // Controller of the sheet used by LoginHandlerMac. Interface Builder wants
 // this to be in a .h file.
 @interface LoginHandlerSheet : NSWindowController {
  @private
   IBOutlet NSTextField* nameField_;
   IBOutlet NSSecureTextField* passwordField_;
+  IBOutlet NSTextField* authorityField_;
   IBOutlet NSTextField* explanationField_;
   IBOutlet NSButton* loginButton_;
   IBOutlet NSButton* cancelButton_;
   LoginHandlerMac* handler_;  // weak, owns us
 }
 - (id)initWithLoginHandler:(LoginHandlerMac*)handler;
 - (IBAction)loginPressed:(id)sender;
 - (IBAction)cancelPressed:(id)sender;
 - (void)autofillLogin:(NSString*)login password:(NSString*)password;
+- (void)setAuthority:(NSString*)authority;
 - (void)setExplanation:(NSString*)explanation;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOGIN_PROMPT_COCOA_H_