Remove -webkit-line-box-contain implementation.

Source/core/css/resolver/StyleBuilderConverter.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * 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
@@ skipping 570 matching lines @@
 }
 
 TabSize StyleBuilderConverter::convertLengthOrTabSpaces(StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     if (primitiveValue->isNumber())
         return TabSize(primitiveValue->getIntValue());
     return TabSize(primitiveValue->computeLength<float>(state.cssToLengthConversionData()));
 }
 
-LineBoxContain StyleBuilderConverter::convertLineBoxContain(StyleResolverState&, CSSValue* value)
-{
-    if (value->isPrimitiveValue()) {
-        ASSERT(toCSSPrimitiveValue(value)->getValueID() == CSSValueNone);
-        return LineBoxContainNone;
-    }
-
-    return toCSSLineBoxContainValue(value)->value();
-}
-
 static CSSToLengthConversionData lineHeightToLengthConversionData(StyleResolverState& state)
 {
     float multiplier = state.style()->effectiveZoom();
     if (LocalFrame* frame = state.document().frame())
         multiplier *= frame->textZoomFactor();
     return state.cssToLengthConversionData().copyWithAdjustedZoom(multiplier);
 }
 
 Length StyleBuilderConverter::convertLineHeight(StyleResolverState& state, CSSValue* value)
 {
@@ skipping 347 matching lines @@
     return ScaleTransformOperation::create(sx, sy, sz, TransformOperation::Scale3D);
 }
 
 RespectImageOrientationEnum StyleBuilderConverter::convertImageOrientation(StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     return primitiveValue->getValueID() == CSSValueFromImage ? RespectImageOrientation : DoNotRespectImageOrientation;
 }
 
 } // namespace blink