Revert of BackgroundHTMLParser: Introduce ParsedChunkQueue to pass ParsedChunks to main thread

third_party/WebKit/Source/core/html/parser/ParsedChunkQueue.cpp

-// Copyright 2015 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.
-
-#include "config.h"
-#include "core/html/parser/ParsedChunkQueue.h"
-
-namespace blink {
-
-ParsedChunkQueue::ParsedChunkQueue()
-{
-}
-
-bool ParsedChunkQueue::enqueue(PassOwnPtr<HTMLDocumentParser::ParsedChunk> chunk)
-{
-    MutexLocker locker(m_mutex);
-
-    bool wasEmpty = m_pendingChunks.isEmpty();
-    m_pendingChunks.append(chunk);
-    return wasEmpty;
-}
-
-void ParsedChunkQueue::clear()
-{
-    MutexLocker locker(m_mutex);
-
-    m_pendingChunks.clear();
-}
-
-void ParsedChunkQueue::takeAll(Vector<OwnPtr<HTMLDocumentParser::ParsedChunk>>& vector)
-{
-    MutexLocker locker(m_mutex);
-
-    ASSERT(vector.isEmpty());
-    m_pendingChunks.swap(vector);
-}
-
-} // namespace blink