[ui/base;css] adding string template expression replacement

chrome/browser/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 744 matching lines @@
 @media { /* TODO(dbeam) Fix this case. */
   .rule {
     display: block;
   }}
 
 @-webkit-keyframe blah {
   from { height: rotate(-10turn); }
   100% { height: 500px; }
 }
 
+#rule { /* ${TemplateExpressions} should be ignored. */
+  rule: ${someValue};
+}
+
 #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=5]), /* We should not catch this. */
 div:not(.class):not([attr]) /* Nor this. */ {
   background: url(data:image/jpeg,asdfasdfsadf); /* Ignore this. */
@@ skipping 207 matching lines @@
     opacity: .0;
     opacity: 0.0;
     opacity: 0.;
     border-width: 0mm;
     height: 0cm;
     width: 0in;
 """)
 
 if __name__ == '__main__':
   unittest.main()