Remove -webkit-border-fit

LayoutTests/fast/css/getComputedStyle/computed-style-expected.txt

 Attributes that are exposed in the CSS computed style object:
 
 background-attachment: scroll;
 background-clip: border-box;
 background-color: rgba(0, 0, 0, 0);
 background-image: none;
 background-origin: padding-box;
 background-position: 0% 0%;
 background-repeat: repeat;
 background-size: auto;
@@ skipping 102 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 103 matching lines @@
 
 Other attributes that the computed style class supports:
 
 background-position-x: 0%;
 background-position-y: 0%;
 border-spacing: 0px 0px;
 overflow: visible;
 -webkit-mask-position-x: 0%;
 -webkit-mask-position-y: 0%;