[DevTools] Do not linkify relative urls.

third_party/WebKit/Source/devtools/front_end/common/ParsedURL.js

 /*
  * Copyright (C) 2012 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 285 matching lines @@
     }
     if (typeof(lineColumnMatch[2]) === "string") {
         columnNumber = parseInt(lineColumnMatch[2], 10);
         columnNumber = isNaN(columnNumber) ? undefined : columnNumber - 1;
     }
 
     return {url: string.substring(0, string.length - lineColumnMatch[0].length), lineNumber: lineNumber, columnNumber: columnNumber};
 }
 
 /**
+ * @param {string} url
+ * @return {boolean}
+ */
+WebInspector.ParsedURL.isRelativeURL = function(url)
+{
+    return !(/^([A-Za-z][A-Za-z0-9+.-]*):\/\//.test(url));

[caseq, 2016/03/16 01:44:28]

so javascript:alert('hello-world') is relative according to this? ditto for
data: etc.

[dgozman, 2016/03/16 01:55:17]

Nope, we test for //.

+}
+
+/**
  * @return {?WebInspector.ParsedURL}
  */
 String.prototype.asParsedURL = function()
 {
     var parsedURL = new WebInspector.ParsedURL(this.toString());
     if (parsedURL.isValid)
         return parsedURL;
     return null;
 }