Adds URL to each peerconnection tab title on webrtc-internals.

content/browser/resources/media/webrtc_internals.css

 /* Copyright (c) 2013 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
 
 .peer-connection-dump-root {
   font-size: 0.8em;
   padding-bottom: 3px;
 }
 
 .update-log-container {
   float: left;
   width: 50em;
   overflow: auto;
 }
 
 .ssrc-info-block {
   color: #999;
   font-size: 0.8em;
 }
 
 .stats-graph-container {
   clear: both;
   margin: 0.5em 0 0.5em 0;
 }
 
-.stats-graph-container-heading {
-  font-size: 0.8em;
-  font-weight: bold;
-}
-
 .stats-graph-sub-container {
   float: left;
   margin: 0.5em;
 }
 
 .stats-graph-sub-container > div {
   float: left;
 }
 
 .stats-graph-sub-container > div:first-child {
   float: none;
 }
 
 .stats-table-container {
   float: left;
   padding: 0 0 0 0;
   width: 50em;
   overflow: auto;
 }
 
 .stats-table-container >div:first-child {
   font-size: 0.8em;
   font-weight: bold;
   text-align: center;
   padding: 0 0 1em 0;
 }
 
+.stats-table-active-connection {
+  font-weight: bold;
+}
+
 body {
   font-family: 'Lucida Grande', sans-serif;
 }
 
 table {
   border: none;
   margin: 0 1em 1em 0;
 }
 
 td {
   border: none;
   font-size: 0.8em;
   padding: 0 1em 0.5em 0;
   min-width: 10em;
   word-break: break-all;
 }
 
 table > tr {
   vertical-align: top;
 }
 
 th {
   border: none;
   font-size: 0.8em;
   padding: 0 0 0.5em 0;
 }
 
 .tab-head {
   background-color: rgb(220, 220, 220);
-  margin: 10px 5px 0 5px;
+  margin: 10px 2px 0 2px;
   text-decoration: underline;
   cursor: pointer;
   display: inline-block;
-  width: 32%;
+  word-break: break-all;
+  width: 20em;
 }
+
 .active-tab-head {
   background-color: turquoise;
   font-weight: bold;
 }
+
 .tab-body {
   border: 1px solid turquoise;
   border-top-width: 3px;
   padding: 0 10px 500px 10px;
   display: none;
 }
+
 .active-tab-body {
   display: block;
 }