DevTools: get rid of Element.prototype.removeMatchingStyleClasses

Source/devtools/front_end/networkLogView.css

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 345 matching lines @@
     background: linear-gradient(0deg, hsl(0, 0%, 73%), hsl(0, 0%, 78%));
 }
 
 .network-graph-bar.waiting {
     opacity: 0.35;
 }
 
 /* Resource categories */
 
 
-.resource-cached .network-graph-bar {
+.network-graph-bar.cached {
     background: hsl(0, 0%, 90%);
     box-shadow: inset 0 1px 1px 0px rgba(255, 255, 255, 0.8),
                 inset 0 0 0 2px hsl(0, 0%, 73%),
                 inset 0 1px 0 2px hsla(0, 0%, 76%, 0.85);
 }
 
 .network-graph-bar.document {
     border-color: hsl(215, 49%, 52%);
     background: linear-gradient(0deg, hsl(215, 72%, 61%), hsl(215, 100%, 69%));
 }
@@ skipping 187 matching lines @@
 
 #network-container {
     overflow-y: auto;
     overflow-x: hidden;
 }
 
 /* Brief mode peculiarities. */
 #network-container.brief-mode .network-timeline-grid {
     display: none;
 }