Remove abonded privacy blacklist implementation.

chrome/browser/privacy_blacklist/blacklist_request_info.h

-// Copyright (c) 2009 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_PRIVACY_BLACKLIST_BLACKLIST_REQUEST_INFO_H_
-#define CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_REQUEST_INFO_H_
-
-#include "chrome/browser/privacy_blacklist/blacklist.h"
-#include "googleurl/src/gurl.h"
-#include "net/url_request/url_request.h"
-#include "webkit/glue/resource_type.h"
-
-class BlacklistManager;
-
-// Privacy blacklist-related information attached to each request.
-class BlacklistRequestInfo : public URLRequest::UserData {
- public:
-  // Key used to access data attached to URLRequest objects.
-  static const void* const kURLRequestDataKey;
-
-  BlacklistRequestInfo(const GURL& url, ResourceType::Type resource_type,
-                       const Blacklist* blacklist);
-  ~BlacklistRequestInfo();
-
-  ResourceType::Type resource_type() const { return resource_type_; }
-  const Blacklist* GetBlacklist() const {
-    return blacklist_;
-  }
-
-  // Get the blacklist request info stored in |request|, or NULL if there is no
-  // one. The object is owned by |request|.
-  static BlacklistRequestInfo* FromURLRequest(const URLRequest* request);
-
- private:
-  // URL of the request.
-  const GURL url_;
-
-  // Type of the requested resource (main frame, image, etc).
-  const ResourceType::Type resource_type_;
-
-  // Blacklist used for the request.
-  const Blacklist* blacklist_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlacklistRequestInfo);
-};
-
-#endif  // CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_REQUEST_INFO_H_