Remove remaining HTML elements

sky/engine/core/html/parser/BackgroundHTMLParser.cpp

Index: sky/engine/core/html/parser/BackgroundHTMLParser.cpp
diff --git a/sky/engine/core/html/parser/BackgroundHTMLParser.cpp b/sky/engine/core/html/parser/BackgroundHTMLParser.cpp
deleted file mode 100644
index 4e96bd3d6764d3663c9892891eaedbf28acbaac8..0000000000000000000000000000000000000000
--- a/sky/engine/core/html/parser/BackgroundHTMLParser.cpp
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * Copyright (C) 2013 Google, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "sky/engine/core/html/parser/BackgroundHTMLParser.h"
-
-#include "base/bind.h"
-#include "base/single_thread_task_runner.h"
-#include "sky/engine/core/html/parser/HTMLDocumentParser.h"
-#include "sky/engine/core/html/parser/HTMLParserIdioms.h"
-#include "sky/engine/core/html/parser/TextResourceDecoder.h"
-#include "sky/engine/public/platform/Platform.h"
-#include "sky/engine/wtf/MainThread.h"
-#include "sky/engine/wtf/text/TextPosition.h"
-
-namespace blink {
-
-// We limit our chucks to 1000 tokens, to make sure the main
-// thread is never waiting on the parser thread for tokens.
-// This was tuned in https://bugs.webkit.org/show_bug.cgi?id=110408.
-static const size_t pendingTokenLimit = 1000;
-
-#if ENABLE(ASSERT)
-
-static void checkThatTokensAreSafeToSendToAnotherThread(const CompactHTMLTokenStream* tokens)
-{
-    for (size_t i = 0; i < tokens->size(); ++i)
-        ASSERT(tokens->at(i).isSafeToSendToAnotherThread());
-}
-
-#endif
-
-base::WeakPtr<BackgroundHTMLParser> BackgroundHTMLParser::create(PassOwnPtr<BackgroundHTMLParser::Configuration> config)
-{
-    // Caller must free by calling stop().
-    BackgroundHTMLParser* parser = new BackgroundHTMLParser(config);
-    return parser->m_weakFactory.GetWeakPtr();
-}
-
-BackgroundHTMLParser::BackgroundHTMLParser(PassOwnPtr<Configuration> config)
-    : m_state(InitialState)
-    , m_token(adoptPtr(new HTMLToken))
-    , m_tokenizer(HTMLTokenizer::create())
-    , m_parser(config->parser)
-    , m_pendingTokens(adoptPtr(new CompactHTMLTokenStream))
-    , m_decoder(TextResourceDecoder::create())
-    , m_source(config->source.Pass())
-    , m_weakFactory(this)
-{
-}
-
-BackgroundHTMLParser::~BackgroundHTMLParser()
-{
-}
-
-void BackgroundHTMLParser::start()
-{
-    m_drainer = adoptPtr(new mojo::common::DataPipeDrainer(this, m_source.Pass()));
-}
-
-void BackgroundHTMLParser::stop()
-{
-    delete this;
-}
-
-void BackgroundHTMLParser::OnDataAvailable(const void* data, size_t numberOfBytes)
-{
-    ASSERT(!m_input.isClosed());
-    String input = m_decoder->decode(static_cast<const char*>(data), numberOfBytes);
-    m_input.append(SegmentedString(input));
-    pumpTokenizer();
-}
-
-void BackgroundHTMLParser::OnDataComplete()
-{
-    ASSERT(!m_input.isClosed());
-    finish();
-}
-
-void BackgroundHTMLParser::finish()
-{
-    m_input.append(SegmentedString(m_decoder->flush()));
-    markEndOfFile();
-    pumpTokenizer();
-}
-
-void BackgroundHTMLParser::markEndOfFile()
-{
-    ASSERT(!m_input.isClosed());
-    m_input.append(SegmentedString(String(&kEndOfFileMarker, 1)));
-    m_input.close();
-}
-
-BackgroundHTMLParser::ContinueBehavior BackgroundHTMLParser::updateTokenizerState(const CompactHTMLToken& lastToken)
-{
-    if (lastToken.type() == HTMLToken::StartTag) {
-        const String& tagName = lastToken.data();
-
-        if (threadSafeMatch(tagName, HTMLNames::scriptTag) || threadSafeMatch(tagName, HTMLNames::styleTag))
-            m_tokenizer->setState(HTMLTokenizer::RawDataState);
-
-        if (threadSafeMatch(tagName, HTMLNames::importTag)) {
-            m_state = DidSeeImportState;
-            return ContinueParsing;
-        }
-
-        if (m_state == InitialState)
-            return ContinueParsing;
-
-        // If we hit a start tag which is not an <import> tag while in the
-        // have-seen-import state, we need to send all but the last token.
-        // This lets the main thread see all import tags in one chunk.
-        // TODO(eseidel): We could replace this with a preloader and then
-        // simply yield after every </import> regardless.
-        m_state = InitialState;
-        return SendTokensExceptingLast;
-    }
-
-    // We send all tokens at the end of every </script>
-    if (lastToken.type() == HTMLToken::EndTag && threadSafeMatch(lastToken.data(), HTMLNames::scriptTag))
-        return SendTokensIncludingLast;
-
-    return ContinueParsing;
-}
-
-void BackgroundHTMLParser::pumpTokenizer()
-{
-    while (true) {
-        if (!m_tokenizer->nextToken(m_input, *m_token)) {
-            // We've reached the end of our current input.
-            sendTokensToMainThread();
-            break;
-        }
-
-        ContinueBehavior result;
-        {
-            CompactHTMLToken token(m_token.get(), TextPosition(m_input.currentLine(), m_input.currentColumn()));
-            result = updateTokenizerState(token);
-            if (result ==  SendTokensExceptingLast)
-                sendTokensToMainThread();
-
-            m_pendingTokens->append(token);
-        }
-
-        m_token->clear();
-
-        if (result == SendTokensIncludingLast || m_pendingTokens->size() >= pendingTokenLimit)
-            sendTokensToMainThread();
-    }
-}
-
-void BackgroundHTMLParser::sendTokensToMainThread()
-{
-    if (m_pendingTokens->isEmpty())
-        return;
-
-#if ENABLE(ASSERT)
-    checkThatTokensAreSafeToSendToAnotherThread(m_pendingTokens.get());
-#endif
-
-    OwnPtr<HTMLDocumentParser::ParsedChunk> chunk = adoptPtr(new HTMLDocumentParser::ParsedChunk);
-    chunk->tokens = m_pendingTokens.release();
-    Platform::current()->mainThreadTaskRunner()->PostTask(FROM_HERE,
-        base::Bind(&HTMLDocumentParser::didReceiveParsedChunkFromBackgroundParser, m_parser, chunk.release()));
-
-    m_pendingTokens = adoptPtr(new CompactHTMLTokenStream);
-}
-
-}