[DevTools] Rename View to Widget.

Source/devtools/front_end/elements/elementsPanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 574 matching lines @@
 }
 
 .sidebar-pane.composite .platform-fonts .font-stats-item .delimeter {
     margin: 0 1ex 0 1ex;
 }
 
 .sidebar-pane.composite .metrics-and-styles .metrics {
     border-bottom: none;
 }
 
-.sidebar-pane > .body > .split-view {
+.sidebar-pane > .body > .split-widget {
     position: absolute;
     top: 0;
     bottom: 0;
     left: 0;
     right: 0;
 }
 
 .panel.elements .sidebar-pane-toolbar > select {
     float: right;
     width: 23px;
@@ skipping 145 matching lines @@
 .style-properties li.editing-sub-part {
     padding: 3px 6px 8px 18px;
     margin: -1px -6px -8px -6px;
     text-overflow: clip;
 }
 
 .styles-pane-toolbar {
     float: right;
     margin-top: -3px;
 }