Remove abonded privacy blacklist implementation.

chrome/browser/privacy_blacklist/blacklist_ui.h

Index: chrome/browser/privacy_blacklist/blacklist_ui.h
diff --git a/chrome/browser/privacy_blacklist/blacklist_ui.h b/chrome/browser/privacy_blacklist/blacklist_ui.h
deleted file mode 100644
index ce76ad8837f4d236ddea909d37a0f5d85200c3db..0000000000000000000000000000000000000000
--- a/chrome/browser/privacy_blacklist/blacklist_ui.h
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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_UI_H_
-#define CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_UI_H_
-
-class URLRequest;
-
-// Set of routines to display blacklist-related UI.
-class BlacklistUI {
- public:
-  // Called on IO thread when non-visual content is blocked by a privacy
-  // blacklist.
-  static void OnNonvisualContentBlocked(const URLRequest* request);
-};
-
-#endif  // CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_UI_H_