[cros] Remove Views implementation for login/OOBE.

chrome/browser/ui/webui/chromeos/login/enterprise_oauth_enrollment_screen_handler.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/browser/ui/webui/chromeos/login/enterprise_oauth_enrollment_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop.h"
 #include "base/values.h"
@@ skipping 65 matching lines @@
 // EnterpriseOAuthEnrollmentScreenHandler, public ------------------------------
 
 EnterpriseOAuthEnrollmentScreenHandler::EnterpriseOAuthEnrollmentScreenHandler()
     : controller_(NULL),
       editable_user_(true),
       show_on_init_(false),
       browsing_data_remover_(NULL) {
 }
 
 EnterpriseOAuthEnrollmentScreenHandler::
-    ~EnterpriseOAuthEnrollmentScreenHandler() {}
+    ~EnterpriseOAuthEnrollmentScreenHandler() {
+  if (browsing_data_remover_)
+    browsing_data_remover_->RemoveObserver(this);
+}
 
 // EnterpriseOAuthEnrollmentScreenHandler, WebUIMessageHandler implementation --
 
 void EnterpriseOAuthEnrollmentScreenHandler::RegisterMessages() {
   web_ui_->RegisterMessageCallback(
       "oauthEnrollClose",
       base::Bind(&EnterpriseOAuthEnrollmentScreenHandler::HandleClose,
                  base::Unretained(this)));
   web_ui_->RegisterMessageCallback(
       "oauthEnrollCompleteLogin",
@@ skipping 288 matching lines @@
 void EnterpriseOAuthEnrollmentScreenHandler::DoClose() {
   if (!controller_) {
     NOTREACHED();
     return;
   }
 
   controller_->OnConfirmationClosed();
 }
 
 }  // namespace chromeos