[Web Intents] Refactor picker to use WebIntentPickerModel.

chrome/browser/ui/intents/web_intent_picker_factory_impl.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_IMPL_H_
-#define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_FACTORY_IMPL_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/ui/intents/web_intent_picker_factory.h"
-
-class TabContents;
-class WebIntentPickerDelegate;
-
-// A factory for creating the web intent picker UI.
-class WebIntentPickerFactoryImpl : public WebIntentPickerFactory {
- public:
-  WebIntentPickerFactoryImpl();
-  virtual ~WebIntentPickerFactoryImpl();
-
-  // WebIntentPickerFactory implementation.
-  virtual WebIntentPicker* Create(
-      Browser* browser,
-      TabContentsWrapper* wrapper,
-      WebIntentPickerDelegate* delegate) OVERRIDE;
-  virtual void ClosePicker(WebIntentPicker* picker) OVERRIDE;
-
- private:
-  // Close the picker and destroys it.
-  void Close();
-
-  // A weak pointer to the currently active picker, or NULL if there is no
-  // active picker.
-  WebIntentPicker* picker_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebIntentPickerFactoryImpl);
-};
-
-#endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_FACTORY_IMPL_H_