DevTools: [ux regression] There is no way to clear console history.

third_party/WebKit/Source/devtools/front_end/ui/suggestBox.css

 /*
  * Copyright (C) 2011 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 73 matching lines @@
     padding: 1px;
     margin: 0;
     overflow: hidden;
     text-overflow: ellipsis;
     border: 1px solid transparent;
     flex: 0 0 auto;
     padding-right: 0;
     white-space: nowrap;
 }
 
+.suggest-box .suggest-box-content-item.additional {
+    background-color: #f9f9f9;
+}
+
+.suggest-box .suggest-box-content-item.additional::before {
+    display: inline-block;
+    content: "";
+    -webkit-user-select: none;
+    background-image: url(Images/toolbarButtonGlyphs.png);
+    background-size: 352px 168px;
+    width: 10px;
+    height: 10px;
+    position: relative;
+    top: 2px;
+    margin-right: 4px;
+    background-position: -192px -96px;
+}
+
+@media (-webkit-min-device-pixel-ratio: 1.5) {
+.suggest-box .suggest-box-content-item.additional::before {
+    background-image: url(Images/toolbarButtonGlyphs_2x.png);
+}
+} /* media */
+
 .suggest-box .suggest-box-content-item .prefix {
     font-weight: bold;
 }
 
 .suggest-box .suggest-box-content-item .spacer {
     display: inline-block;
     width: 20px;
 }
 
 .suggest-box .suggest-box-content-item.selected {
     background-color: rgba(56, 121, 217, 0.1);
 }
 
 .suggest-box .suggest-box-content-item:hover:not(.selected) {
     border: 1px solid rgb(204, 204, 204);
 }
 
 .suggest-box .details-popup {
     padding: 17px;
     pointer-events: auto;
     margin-left: 3px;
     max-width: 750px;
     word-wrap: normal;
 }
 
 .suggest-box .details-popup .description {
     margin-top: 22px;
     color: #808080;
 }