Highlight relfected XSS vectors in view-source page.

Source/core/css/view-source.css

 /*
  * Copyright (C) 2006 Apple Computer, 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 64 matching lines @@
 }
 
 tbody:last-child .webkit-line-content:empty:before {
     content: " ";
 }
 
 .webkit-line-content {
     padding: 0 5px !important;
 }
 
+.webkit-highlight {

[Mike West, 2014/05/29 09:29:48]

Hrm. At some point (not in this CL), we need to drop the 'webkit-' prefixes
here. They're just class names, after all.

[jww, 2014/05/29 18:35:01]

I just filed https://crbug.com/378867 for this.

+    background-color: rgb(100%, 42%, 42%);
+    border: 2px solid rgb(100%, 31%, 31%);
+}
+
 .webkit-html-tag {
     /* Keep this in sync with inspector.css (.webkit-html-tag) */
     color: rgb(136, 18, 128);
 }
 
+.webkit-html-tag-highlight {
+    /* Keep this in sync with inspector.css (.webkit-html-tag) */
+    color: rgb(136, 18, 128);
+    background-color: rgb(100%, 42%, 42%);
+    border: 2px solid rgb(100%, 31%, 31%);
+}
+
 .webkit-html-attribute-name {
     /* Keep this in sync with inspector.css (.webkit-html-attribute-name) */
     color: rgb(153, 69, 0);
 }
 
 .webkit-html-attribute-value {
     /* Keep this in sync with inspector.css (.webkit-html-attribute-value) */
     color: rgb(26, 26, 166);
 }
 
@@ skipping 53 matching lines @@
 .webkit-html-message-line {
     padding-left: 23px;
     text-indent: -20px;
 }
 
 .webkit-html-message-icon {
     position: relative;
     top: 2px;
     margin: 0 4px;
 }