[DevTools] Turn links into spans to prevent default behavior.

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

 /*
  * Copyright (C) 2009 Apple 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 85 matching lines @@
     color: rgb(153, 69, 0);
     unicode-bidi: -webkit-isolate;
 }
 
 .webkit-html-attribute-value {
     /* Keep this in sync with view-source.css (.webkit-html-attribute-value) */
     color: rgb(26, 26, 166);
     unicode-bidi: -webkit-isolate;
 }
 
-.webkit-html-external-link,
-.webkit-html-resource-link {
-    /* Keep this in sync with view-source.css (.webkit-html-external-link, .webkit-html-resource-link) */
+.devtools-link {
     color: rgb(17, 85, 204);
-    /* Required for consistency with view-source.css, since anchors may not have href attributes */
     text-decoration: underline;
+}
+
+.devtools-link:not(.devtools-link-prevent-click) {
     cursor: pointer;
 }
 
-.-theme-with-dark-background .webkit-html-external-link,
-.-theme-with-dark-background .webkit-html-resource-link,
-:host-context(.-theme-with-dark-background) .webkit-html-external-link,
-:host-context(.-theme-with-dark-background) .webkit-html-resource-link {
+.-theme-with-dark-background .devtools-link,
+:host-context(.-theme-with-dark-background) .devtools-link {
     color: hsl(0, 0%, 67%);
 }
 
 .webkit-html-end-of-file {
     /* Keep this in sync with view-source.css (.webkit-html-end-of-file) */
     color: rgb(255, 0, 0);
     font-weight: bold;
 }