Remove remaining HTML elements

sky/engine/core/html/parser/HTMLParserThread.h

Index: sky/engine/core/html/parser/HTMLParserThread.h
diff --git a/sky/engine/core/html/parser/HTMLParserThread.h b/sky/engine/core/html/parser/HTMLParserThread.h
deleted file mode 100644
index b8622a8d960522d9665d2c1da7fbcea8b7b7c91f..0000000000000000000000000000000000000000
--- a/sky/engine/core/html/parser/HTMLParserThread.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2014 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 SKY_ENGINE_CORE_HTML_PARSER_HTMLPARSERTHREAD_H_
-#define SKY_ENGINE_CORE_HTML_PARSER_HTMLPARSERTHREAD_H_
-
-#include "base/single_thread_task_runner.h"
-
-namespace blink {
-
-class HTMLParserThread {
-public:
-    static void start();
-    static void stop();
-    static base::SingleThreadTaskRunner* taskRunner();
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_HTML_PARSER_HTMLPARSERTHREAD_H_