arc: Use incognito profile for OptIn and cookie fetcher

chrome/browser/chromeos/arc/arc_auth_ui.h

-// Copyright 2016 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_CHROMEOS_ARC_ARC_AUTH_UI_H_
-#define CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_UI_H_
-
-#include "base/macros.h"
-#include "components/arc/auth/arc_auth_fetcher.h"
-#include "ui/web_dialogs/web_dialog_delegate.h"
-
-namespace content {
-class BrowserContext;
-}
-
-namespace views {
-class Widget;
-}
-
-namespace arc {
-
-// Shows ARC LSO web view that requires user input.
-class ArcAuthUI : public ui::WebDialogDelegate,
-                  public ArcAuthFetcher::Delegate {
- public:
-  class Delegate {
-   public:
-    // Called when dialog is closed.
-    virtual void OnAuthUIClosed() = 0;
-
-   protected:
-    virtual ~Delegate() = default;
-  };
-
-  ArcAuthUI(content::BrowserContext* browser_context, Delegate* delegate);
-  ~ArcAuthUI() override;
-
-  void Close();
-
-  // ui::WebDialogDelegate:
-  ui::ModalType GetDialogModalType() const override;
-  base::string16 GetDialogTitle() const override;
-  GURL GetDialogContentURL() const override;
-  void GetWebUIMessageHandlers(
-      std::vector<content::WebUIMessageHandler*>* handlers) const override;
-  void GetDialogSize(gfx::Size* size) const override;
-  std::string GetDialogArgs() const override;
-  void OnDialogClosed(const std::string& json_retval) override;
-  void OnCloseContents(content::WebContents* source,
-                       bool* out_close_dialog) override;
-  bool ShouldShowDialogTitle() const override;
-  bool HandleContextMenu(const content::ContextMenuParams& params) override;
-  void OnLoadingStateChanged(content::WebContents* source) override;
-
-  // ArcAuthFetcher::Delegate:
-  void OnAuthCodeFetched(const std::string& code) override;
-  void OnAuthCodeNeedUI() override;
-  void OnAuthCodeFailed() override;
-
- private:
-  // Unowned pointers.
-  content::BrowserContext* const browser_context_;
-  Delegate* const delegate_;
-  const GURL target_url_;
-
-  // Owned by view hierarchy.
-  views::Widget* widget_;
-
-  scoped_ptr<ArcAuthFetcher> auth_fetcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(ArcAuthUI);
-};
-
-}  // namespace arc
-
-#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_UI_H_