Delete the old WebSocket implementation.

Source/modules/websockets/WebSocketExtensionParser.cpp

Index: Source/modules/websockets/WebSocketExtensionParser.cpp
diff --git a/Source/modules/websockets/WebSocketExtensionParser.cpp b/Source/modules/websockets/WebSocketExtensionParser.cpp
deleted file mode 100644
index 78d07a19fed0a0a830fcc6e6f9d15eb582a0da6b..0000000000000000000000000000000000000000
--- a/Source/modules/websockets/WebSocketExtensionParser.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2012 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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 "config.h"
-
-#include "modules/websockets/WebSocketExtensionParser.h"
-
-#include "wtf/ASCIICType.h"
-#include "wtf/text/CString.h"
-
-namespace blink {
-
-WebSocketExtensionParser::ParserStateBackup::~ParserStateBackup()
-{
-    if (!m_isDisposed) {
-        m_parser->m_current = m_current;
-    }
-}
-
-bool WebSocketExtensionParser::finished()
-{
-    return m_current >= m_end;
-}
-
-bool WebSocketExtensionParser::parsedSuccessfully()
-{
-    return m_current == m_end;
-}
-
-static bool isSeparator(char character)
-{
-    static const char* separatorCharacters = "()<>@,;:\\\"/[]?={} \t";
-    const char* p = strchr(separatorCharacters, character);
-    return p && *p;
-}
-
-void WebSocketExtensionParser::skipSpaces()
-{
-    while (m_current < m_end && (*m_current == ' ' || *m_current == '\t'))
-        ++m_current;
-}
-
-bool WebSocketExtensionParser::consumeToken()
-{
-    ParserStateBackup backup(this);
-    skipSpaces();
-    const char* start = m_current;
-    while (m_current < m_end && isASCIIPrintable(*m_current) && !isSeparator(*m_current))
-        ++m_current;
-    if (start < m_current) {
-        m_currentToken = String(start, m_current - start);
-        backup.dispose();
-        return true;
-    }
-    return false;
-}
-
-bool WebSocketExtensionParser::consumeQuotedString()
-{
-    ParserStateBackup backup(this);
-    skipSpaces();
-    if (m_current >= m_end || *m_current != '"')
-        return false;
-
-    Vector<char> buffer;
-    ++m_current;
-    while (m_current < m_end && *m_current != '"') {
-        if (*m_current == '\\' && ++m_current >= m_end)
-            return false;
-        // RFC6455 requires that the value after quoted-string unescaping
-        // MUST conform to the 'token' ABNF.
-        if (!isASCIIPrintable(*m_current) || isSeparator(*m_current))
-            return false;
-        buffer.append(*m_current);
-        ++m_current;
-    }
-    if (m_current >= m_end || *m_current != '"' || buffer.isEmpty())
-        return false;
-    m_currentToken = String::fromUTF8(buffer.data(), buffer.size());
-    ++m_current;
-    backup.dispose();
-    return true;
-}
-
-bool WebSocketExtensionParser::consumeQuotedStringOrToken()
-{
-    // This is ok because consumeQuotedString() restores m_current
-    // on failure.
-    return consumeQuotedString() || consumeToken();
-}
-
-bool WebSocketExtensionParser::consumeCharacter(char character)
-{
-    ParserStateBackup backup(this);
-    skipSpaces();
-    if (m_current < m_end && *m_current == character) {
-        ++m_current;
-        backup.dispose();
-        return true;
-    }
-    return false;
-}
-
-bool WebSocketExtensionParser::parseExtension(String& extensionToken, HashMap<String, String>& extensionParameters)
-{
-    ParserStateBackup backup(this);
-    // Parse extension-token.
-    if (!consumeToken())
-        return false;
-
-    extensionToken = currentToken();
-
-    // Parse extension-parameters if exists.
-    while (consumeCharacter(';')) {
-        if (!consumeToken())
-            return false;
-
-        String parameterToken = currentToken();
-        if (consumeCharacter('=')) {
-            if (consumeQuotedStringOrToken())
-                extensionParameters.add(parameterToken, currentToken());
-            else
-                return false;
-        } else {
-            extensionParameters.add(parameterToken, String());
-        }
-    }
-    skipSpaces();
-    if (!finished() && !consumeCharacter(','))
-        return false;
-
-    backup.dispose();
-    return true;
-}
-
-} // namespace blink