Don't allow elevation for CHROME_OS.

chrome/browser/extensions/extension_uninstall_dialog.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "chrome/browser/extensions/image_loader.h"
@@ skipping 60 matching lines @@
 }
 
 ExtensionUninstallDialog::~ExtensionUninstallDialog() {
 }
 
 void ExtensionUninstallDialog::ConfirmUninstall(
     const extensions::Extension* extension) {
   DCHECK(ui_loop_ == MessageLoop::current());
   extension_ = extension;
 
-#if defined(ENABLE_MANAGED_USERS)
+#if defined(ENABLE_MANAGED_USERS) && !defined(OS_CHROMEOS)
   // If the profile belongs to a managed user, and the profile is not in
   // elevated state, a passphrase dialog is shown, and if the custodian
   // authorizes by entering his passphrase, the uninstall is continued by
   // calling |ExtensionUninstallAccepted| on the delegate.
   if (ShowAuthorizationDialog())
     return;
 #endif
 
   extensions::ExtensionResource image = extensions::IconsInfo::GetIconResource(
       extension_,
@@ skipping 78 matching lines @@
     ManagedUserService* service = ManagedUserServiceFactory::GetForProfile(
         profile_);
     DCHECK(service);
     service->AddElevationForExtension(extension_->id());
     delegate_->ExtensionUninstallAccepted();
   } else {
     delegate_->ExtensionUninstallCanceled();
   }
 }
 #endif