Revert 98888 - Web Intent Picker UI (implemented as a constrained dialog, linux only)

chrome/browser/ui/intents/web_intent_picker_factory.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_FACTORY_H_
-#define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_FACTORY_H_
-#pragma once
-
-class TabContents;
-class WebIntentPicker;
-class WebIntentPickerDelegate;
-
-// Interface to create and close the WebIntentPicker UI.
-class WebIntentPickerFactory {
- public:
-  virtual ~WebIntentPickerFactory() {}
-
-  // Creates a new WebIntentPicker. The picker is owned by the factory.
-  virtual WebIntentPicker* Create(TabContents* tab_contents,
-                                  WebIntentPickerDelegate* delegate) = 0;
-
-  // Closes and destroys the picker.
-  virtual void ClosePicker(WebIntentPicker* picker) = 0;
-};
-
-#endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_FACTORY_H_