Revert 13676 - Revert 131665 - Add a preference for why an extension is disabled.

chrome/browser/extensions/extension_context_menu_model.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_context_menu_model.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ skipping 117 matching lines @@
       profile_->GetExtensionProcessManager()->OpenOptionsPage(extension,
                                                               browser_);
       break;
     case HIDE: {
       ExtensionService* extension_service = profile_->GetExtensionService();
       extension_service->SetBrowserActionVisibility(extension, false);
       break;
     }
     case DISABLE: {
       ExtensionService* extension_service = profile_->GetExtensionService();
-      extension_service->DisableExtension(extension_id_);
+      extension_service->DisableExtension(extension_id_,
+                                          Extension::DISABLE_USER_ACTION);
       break;
     }
     case UNINSTALL: {
       AddRef();  // Balanced in Accepted() and Canceled()
       extension_uninstall_dialog_.reset(
           ExtensionUninstallDialog::Create(profile_, this));
       extension_uninstall_dialog_->ConfirmUninstall(extension);
       break;
     }
     case MANAGE: {
@@ skipping 19 matching lines @@
 }
 
 void ExtensionContextMenuModel::ExtensionUninstallCanceled() {
   Release();
 }
 
 const Extension* ExtensionContextMenuModel::GetExtension() const {
   ExtensionService* extension_service = profile_->GetExtensionService();
   return extension_service->GetExtensionById(extension_id_, false);
 }