Unprefix CSS user-select property

third_party/WebKit/Source/core/css/CSSProperties.in

 // This file specifies all the CSS properties we support and the necessary
 // information for our code generation. The various supported arguments
 // are described below with example usage
 
 
 // - alias_for=other-property
 // Properties specifying alias_for should be virtually identical to the
 // properties they alias. Minor parsing differences are allowed as long as
 // the CSSValues created are of the same format of the aliased property.
 
@@ skipping 387 matching lines @@
 -webkit-text-emphasis-style inherited, custom_all
 -webkit-text-fill-color inherited, custom_all
 -webkit-text-security inherited
 -webkit-text-stroke-color interpolable, inherited, custom_all
 -webkit-text-stroke-width inherited, converter=convertTextStrokeWidth
 -webkit-transform-origin-x interpolable, converter=convertLength
 -webkit-transform-origin-y interpolable, converter=convertLength
 -webkit-transform-origin-z interpolable, converter=convertComputedLength<float>
 -webkit-user-drag
 -webkit-user-modify inherited
--webkit-user-select inherited
+user-select inherited
 white-space inherited
 widows interpolable, inherited, type_name=short
 width interpolable, initial=initialSize, converter=convertLengthSizing, typedom_types=[Length], keywords=[auto], supports_percentage
 will-change custom_all
 word-break inherited
 word-spacing interpolable, inherited, initial=initialLetterWordSpacing, converter=convertSpacing
 // UAs must treat 'word-wrap' as an alternate name for the 'overflow-wrap' property. So using the same handlers.
 word-wrap inherited, name_for_methods=OverflowWrap
 z-index interpolable, type_name=int, custom_all
 
@@ skipping 161 matching lines @@
 -webkit-shape-outside alias_for=shape-outside
 -webkit-text-size-adjust alias_for=text-size-adjust
 -webkit-transform alias_for=transform
 -webkit-transform-origin alias_for=transform-origin
 -webkit-transform-style alias_for=transform-style
 -webkit-transition alias_for=transition
 -webkit-transition-delay alias_for=transition-delay
 -webkit-transition-duration alias_for=transition-duration
 -webkit-transition-property alias_for=transition-property
 -webkit-transition-timing-function alias_for=transition-timing-function
+-webkit-user-select alias_for=user-select