Do not display lock for hosted domains

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

 // Copyright 2014 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.
 
 #import <Cocoa/Cocoa.h>
 
 #import "chrome/browser/ui/cocoa/profiles/profile_chooser_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/prefs/pref_service.h"
@@ skipping 1161 matching lines @@
                 [self buildWelcomeUpgradeTutorialViewIfNeeded];
             break;
           case profiles::TUTORIAL_MODE_CONFIRM_SIGNIN:
             tutorialView = [self buildSigninConfirmationView];
             break;
           case profiles::TUTORIAL_MODE_SHOW_ERROR:
             tutorialView = [self buildSigninErrorView];
         }
       }
       currentProfileView = [self createCurrentProfileView:item];
-      displayLock = switches::IsNewProfileManagement() && item.signed_in;
+      displayLock = switches::IsNewProfileManagement() && item.signed_in &&
+                    profiles::IsLockAvailable(browser_->profile());

[msw, 2014/09/19 21:47:40]

This seems to hide the lock button, but your CL description says that this
disables the button. Clarify the intent by updating the CL or its description.

[Mike Lerman, 2014/09/21 00:19:36]

CL updated - thanks.

     } else {
       [otherProfiles addObject:[self createOtherProfileView:i]];
     }
   }
   if (!currentProfileView)  // Guest windows don't have an active profile.
     currentProfileView = [self createGuestProfileView];
 
   // |yOffset| is the next position at which to draw in |container|
   // coordinates. Add a pixel offset so that the bottom option buttons don't
   // overlap the bubble's rounded corners.
@@ skipping 984 matching lines @@
 }
 
 - (bool)shouldShowGoIncognito {
   bool incognitoAvailable =
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognitoAvailable && !browser_->profile()->IsGuestSession();
 }
 
 @end