[DevTools] UI for blocked URLs.

Source/devtools/front_end/inspectorStyle.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.
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 }
 
 .outline-disclosure ol.children.expanded {
     display: block;
 }
 
 .properties-accessor-property-name {
     font-style: italic;
 }
 
-.editing {
-    -webkit-user-select: text;
-    box-shadow: rgba(0, 0, 0, .5) 3px 3px 4px;
-    outline: 1px solid rgb(66%, 66%, 66%) !important;
-    background-color: white;
-    -webkit-user-modify: read-write-plaintext-only;
-    text-overflow: clip !important;
-    padding-left: 2px;
-    margin-left: -2px;
-    padding-right: 2px;
-    margin-right: -2px;
-    margin-bottom: -1px;
-    padding-bottom: 1px;
-    opacity: 1.0 !important;
-}
-
-.editing,
-.editing * {
-    color: #222 !important;
-    text-decoration: none !important;
-}
-
 .child-editing {
     color: #222 !important;
     text-decoration: none !important;
     overflow: visible !important;
 }
 
 .sidebar {
     overflow-x: hidden;
     background-color: #f3f3f3;
 }
@@ skipping 340 matching lines @@
 }
 
 body.inactive select.chrome-select,
 .chrome-select:disabled {
     background-image: -webkit-image-set(url(Images/chromeDisabledSelect.png) 1x, url(Images/chromeDisabledSelect_2x.png) 2x), linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
     border-color: rgba(80, 80, 80, 0.2);
     box-shadow: 0 1px 0 rgba(80, 80, 80, 0.08),
     inset 0 1px 2px rgba(255, 255, 255, 0.75);
     color: #aaa;
 }