DevTools: Refactor memory counter display

Source/devtools/front_end/timeline/timelinePanel.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 440 matching lines @@
     background-color: #eee;
     overflow-y: hidden;
 }
 
 #memory-graphs-container .sidebar-tree-section {
     flex: 0 0 24px;
     padding: 5px 0 0 5px;
 }
 
 .memory-counter-sidebar-info {
-    flex: 0 0 18px;
+    flex: 0 0 20px;
     margin-left: 5px;
     white-space: nowrap;
 }
 
-.memory-counter-sidebar-info .swatch {
-    margin-left: 1px;
-    margin-right: 2px;
-    width: 10px;
-    height: 10px;
-    position: relative;
-    top: 1px;
-    display: inline-block;
-    line-height: 1px;
-    background-image: none;
-    border: 1px solid rgba(0,0,0,0.3);
-    opacity: 0.5;
-    -webkit-user-select: none;
-}
-
-.memory-counter-sidebar-info .title {
-    margin: 4px;
+.memory-counter-sidebar-info .range {
+    margin: 0 4px;
 }
 
 .memory-counter-value {
     margin: 4px;
 }
 
 #counter-values-bar {
     flex: 0 0 18px;
     border-bottom: solid 1px lightgray;
     width: 100%;
@@ skipping 560 matching lines @@
     position: absolute;
     right: -2px;
     bottom: 0px;
     border-bottom: 1px solid hsl(0, 100%, 74%);
 }
 
 .timeline-tree-view .data-grid .selected .background-bar {
     background-color: rgba(255,255,255,0.25);
     border-bottom-color: transparent;
 }