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diff --git a/Source/WebCore/html/track/BufferedLineReader.h b/Source/WebCore/html/track/BufferedLineReader.h
deleted file mode 100644
index 8aacd819b..000000000
--- a/Source/WebCore/html/track/BufferedLineReader.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (C) 2013, Opera Software ASA. 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.
- */
-
-#ifndef BufferedLineReader_h
-#define BufferedLineReader_h
-
-#include "SegmentedString.h"
-#include <wtf/text/StringBuilder.h>
-
-namespace WebCore {
-
-// Line collection helper for the WebVTT Parser.
-//
-// Converts a stream of data (== a sequence of Strings) into a set of
-// lines. CR, LR or CRLF are considered linebreaks. Normalizes NULs (U+0000)
-// to 'REPLACEMENT CHARACTER' (U+FFFD) and does not return the linebreaks as
-// part of the result.
-class BufferedLineReader {
-    WTF_MAKE_NONCOPYABLE(BufferedLineReader);
-public:
-    BufferedLineReader()
-        : m_endOfStream(false)
-        , m_maybeSkipLF(false) { }
-
-    // Append data to the internal buffer.
-    void append(const String& data)
-    {
-        ASSERT(!m_endOfStream);
-        m_buffer.append(SegmentedString(data));
-    }
-
-    // Indicate that no more data will be appended. This will cause any
-    // potentially "unterminated" line to be returned from getLine.
-    void setEndOfStream() { m_endOfStream = true; }
-
-    // Attempt to read a line from the internal buffer (fed via append).
-    // If successful, true is returned and |line| is set to the line that was
-    // read. If no line could be read false is returned.
-    bool getLine(String& line);
-
-    // Returns true if EOS has been reached proper.
-    bool isAtEndOfStream() const { return m_endOfStream && m_buffer.isEmpty(); }
-
-    void reset() { m_buffer.clear(); }
-
-private:
-    // Consume the next character the buffer if it is the character |c|.
-    void scanCharacter(UChar c)
-    {
-        ASSERT(!m_buffer.isEmpty());
-        if (m_buffer.currentChar() == c)
-            m_buffer.advance();
-    }
-
-    SegmentedString m_buffer;
-    StringBuilder m_lineBuffer;
-    bool m_endOfStream;
-    bool m_maybeSkipLF;
-};
-
-} // namespace WebCore
-
-#endif