namespace WebCore {
+class FloatSize;
class LayoutUnit;
class Length;
+class LengthSize;
PLATFORM_EXPORT int intValueForLength(const Length&, LayoutUnit maximumValue);
PLATFORM_EXPORT float floatValueForLength(const Length&, float maximumValue);
PLATFORM_EXPORT LayoutUnit minimumValueForLength(const Length&, LayoutUnit maximumValue);
PLATFORM_EXPORT LayoutUnit roundedMinimumValueForLength(const Length&, LayoutUnit maximumValue);
PLATFORM_EXPORT LayoutUnit valueForLength(const Length&, LayoutUnit maximumValue);
+PLATFORM_EXPORT FloatSize floatSizeForLengthSize(const LengthSize&, const FloatSize& boxSize);
} // namespace WebCore