Remove support for -webkit-line-clamp

Source/core/rendering/style/LineClampValue.h

Index: Source/core/rendering/style/LineClampValue.h
diff --git a/Source/core/rendering/style/LineClampValue.h b/Source/core/rendering/style/LineClampValue.h
deleted file mode 100644
index 356f2e0605c280e62f3877affd22011c3167d08e..0000000000000000000000000000000000000000
--- a/Source/core/rendering/style/LineClampValue.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2009 Apple 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 LineClampValue_h
-#define LineClampValue_h
-
-#include "core/rendering/style/RenderStyleConstants.h"
-
-namespace WebCore {
-
-class LineClampValue {
-public:
-    LineClampValue()
-        : m_type(LineClampLineCount)
-        , m_value(-1)
-    {
-    }
-
-    LineClampValue(int value, ELineClampType type)
-        : m_type(type)
-        , m_value(value)
-    {
-    }
-
-    int value() const { return m_value; }
-
-    bool isPercentage() const { return m_type == LineClampPercentage; }
-
-    bool isNone() const { return m_value == -1; }
-
-    bool operator==(const LineClampValue& o) const
-    {
-        return value() == o.value() && isPercentage() == o.isPercentage();
-    }
-
-    bool operator!=(const LineClampValue& o) const
-    {
-        return !(*this == o);
-    }
-
-private:
-    ELineClampType m_type;
-    int m_value;
-};
-
-} // namespace WebCore
-
-#endif // LineClampValue_h