[WebUI] Fix multiple rule regex.

chrome/browser/resources/test_presubmit.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Unit tests for Web Development Style Guide checker."""
 
 import os
 import re
 import sys
@@ skipping 107 matching lines @@
 .class_name {
   display: block;
 }""", """
  - Classes use .dash-form.
     .className,
     .ClassName,
     .class_name {""")
 
   def testCssCloseBraceOnNewLine(self):
     self.VerifyContentsProducesOutput("""
-@media { /* TODO(dbeam) Fix this case.
+@media { /* TODO(dbeam) Fix this case. */
   .rule {
     display: block;
   }}
 
 #rule {
   rule: value; }""", """
 - Always put a rule closing brace (}) on a new line.
     rule: value; }""")
 
   def testCssColonsHaveSpaceAfter(self):
     self.VerifyContentsProducesOutput("""
-div:not(.class):not([attr]) /* We should not catch this. */ {
+div:not(.class):not([attr=5]), /* We should not catch this. */
+div:not(.class):not([attr]) /* Nor this. */ {
+  background: -webkit-linear-gradient(left, red,
+                                      80% blah blee blar);
+  color: red;
   display:block;
 }""", """
 - Colons (:) should have a space after them.
     display:block;""")
 
   def testCssFavorSingleQuotes(self):
     self.VerifyContentsProducesOutput("""
 html[dir="rtl"] body,
 html[dir=ltr] body /* TODO(dbeam): Require '' around rtl in future? */ {
   background: url("chrome://resources/BLAH");
@@ skipping 26 matching lines @@
   transform: two .1s;
   transform: tree 1s;
   transform: four 300ms;
 }""", """
 - Use milliseconds for time measurements under 1 second.
     transform: one 0.2s; (replace with 200ms)
     transform: two .1s; (replace with 100ms)""")
 
   def testCssOneRulePerLine(self):
     self.VerifyContentsProducesOutput("""
+a:not([hidden]):not(.custom-appearance):not([version=1]):first-of-type,
+a:not([hidden]):not(.custom-appearance):not([version=1]):first-of-type ~
+    input[type='checkbox']:not([hidden]),
 div {
+  background: url(chrome://resources/BLAH);
   rule: value; /* rule: value; */
   rule: value; rule: value;
 }""", """
 - One rule per line (what not to do: color: red; margin: 0;).
     rule: value; rule: value;""")
 
   def testCssOneSelectorPerLine(self):
     self.VerifyContentsProducesOutput("""
 a,
 div,a,
@@ skipping 64 matching lines @@
     background-position-x: 0em;
     background-position-y: 0ex;
     border-width: 0em;
     border-width: 0mm;
     height: 0cm;
     width: 0in;
 """)
 
 if __name__ == '__main__':
   unittest.main()