Revert 169289 "A thread-safe Media Query Parser"

trunk/Source/core/css/parser/MediaQueryInputStream.h

-// 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 MediaQueryInputStream_h
-#define MediaQueryInputStream_h
-
-#include "wtf/text/WTFString.h"
-
-namespace WebCore {
-
-class MediaQueryInputStream {
-    WTF_MAKE_NONCOPYABLE(MediaQueryInputStream);
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    MediaQueryInputStream(String input);
-
-    UChar peek(unsigned);
-    inline UChar currentInputChar()
-    {
-        return peek(0);
-    }
-
-    void advance(unsigned = 1);
-    void pushBack(UChar);
-
-    inline size_t maxLength()
-    {
-        return m_string.length() + 1;
-    }
-
-    inline size_t leftChars()
-    {
-        return m_string.length() - m_offset;
-
-    }
-
-    unsigned long long getUInt(unsigned start, unsigned end);
-    double getDouble(unsigned start, unsigned end);
-
-    template<bool characterPredicate(UChar)>
-    unsigned skipWhilePredicate(unsigned offset)
-    {
-        while ((m_offset + offset) < m_string.length() && characterPredicate(m_string[m_offset + offset]))
-            ++offset;
-        return offset;
-    }
-
-private:
-    size_t m_offset;
-    String m_string;
-};
-
-} // namespace WebCore
-
-#endif // MediaQueryInputStream_h
-