Remove -webkit-border-fit

LayoutTests/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt

 Computed style of an element whose parent's 'display' value is 'none':
 background-attachment: scroll
 background-clip: border-box
 background-color: rgb(0, 128, 0)
 background-image: none
 background-origin: padding-box
 background-position: 0% 0%
 background-repeat: repeat
 background-size: auto
 border-bottom-color: rgb(0, 0, 0)
@@ skipping 101 matching lines @@
 -webkit-animation-iteration-count: 1
 -webkit-animation-name: none
 -webkit-animation-play-state: running
 -webkit-animation-timing-function: ease
 -webkit-appearance: none
 -webkit-backface-visibility: visible
 -webkit-background-clip: border-box
 -webkit-background-composite: source-over
 -webkit-background-origin: padding-box
 -webkit-background-size: auto
--webkit-border-fit: border
 -webkit-border-horizontal-spacing: 0px
 -webkit-border-image: none
 -webkit-border-vertical-spacing: 0px
 -webkit-box-align: stretch
 -webkit-box-decoration-break: slice
 -webkit-box-direction: normal
 -webkit-box-flex: 0
 -webkit-box-flex-group: 1
 -webkit-box-lines: single
 -webkit-box-ordinal-group: 1
@@ skipping 115 matching lines @@
 height: 100px
 margin-left: 350px
 width: 350px
 
 After changing the parent's 'display' property back to 'none':
 height: 100px
 margin-left: auto
 width: 50%