Remove vestigial cookie/web app permissions prompting UI now that the async U...

chrome/browser/cookie_prompt_modal_dialog_delegate.h

-// Copyright (c) 2010 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_COOKIE_PROMPT_MODAL_DIALOG_DELEGATE_H_
-#define CHROME_BROWSER_COOKIE_PROMPT_MODAL_DIALOG_DELEGATE_H_
-#pragma once
-
-// Delegate for handling modal dialog results from CookiePromptModalDialog.
-// The implementer of this MUST guarentee that from the time it's passed to the
-// CookieModalDialog until one of these methods are called it will not be
-// deleted.
-class CookiePromptModalDialogDelegate {
- public:
-  // Allow site data to be set.
-  virtual void AllowSiteData(bool session_expire) = 0;
-
-  // Block site data from being stored.
-  virtual void BlockSiteData() = 0;
-
- protected:
-  virtual ~CookiePromptModalDialogDelegate() {}
-};
-
-#endif  // CHROME_BROWSER_COOKIE_PROMPT_MODAL_DIALOG_DELEGATE_H_
-