Revert 135525 - Add a first-class off-store install UI to chrome://extensions/.

chrome/browser/ui/webui/extensions/install_extension_handler.h

Index: chrome/browser/ui/webui/extensions/install_extension_handler.h
===================================================================
--- chrome/browser/ui/webui/extensions/install_extension_handler.h	(revision 135527)
+++ chrome/browser/ui/webui/extensions/install_extension_handler.h	(working copy)
@@ -1,48 +0,0 @@
-// 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_WEBUI_EXTENSIONS_INSTALL_EXTENSION_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_INSTALL_EXTENSION_HANDLER_H_
-#pragma once
-
-#include "base/file_path.h"
-#include "base/values.h"
-#include "content/public/browser/web_ui_message_handler.h"
-
-// Handles installing an extension when its file is dragged onto the page.
-class InstallExtensionHandler : public content::WebUIMessageHandler {
- public:
-  InstallExtensionHandler();
-  virtual ~InstallExtensionHandler();
-
-  void GetLocalizedValues(DictionaryValue* localized_strings);
-
-  // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
-
- private:
-  // Handles a notification from the JavaScript that a drag has started. This is
-  // needed so that we can capture the file being dragged. If we wait until
-  // we receive a drop notification, the drop data in the browser process will
-  // have already been destroyed.
-  void HandleStartDragMessage(const ListValue* args);
-
-  // Handles a notification from the JavaScript that a drag has stopped.
-  void HandleStopDragMessage(const ListValue* args);
-
-  // Handles a notification from the JavaScript to install the file currently
-  // being dragged.
-  //
-  // IMPORTANT: We purposefully do not allow the JavaScript to specify the file
-  // to be installed as a precaution against the extension management page
-  // getting XSS'd.
-  void HandleInstallMessage(const ListValue* args);
-
-  // The extension that will be installed when HandleInstallMessage() is called.
-  FilePath file_to_install_;
-
-  DISALLOW_COPY_AND_ASSIGN(InstallExtensionHandler);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_INSTALL_EXTENSION_HANDLER_H_