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

chrome/browser/test_presubmit.py

Index: chrome/browser/test_presubmit.py
diff --git a/chrome/browser/test_presubmit.py b/chrome/browser/test_presubmit.py
index 1ad8ed270150efdac5a88b9df39163512ab964c5..68ec8efbbafa7004f21a13f6511aa51de317607f 100755
--- a/chrome/browser/test_presubmit.py
+++ b/chrome/browser/test_presubmit.py
@@ -49,6 +49,15 @@ class HtmlStyleTest(SuperMoxTestBase):
     error = checker(1, line)
     self.assertEqual('', error, 'Should not be flagged as style error: ' + line)
 
+  def testTemplateExpressionRemoval(self):
+    lines = [
+      '${tag}',
+      '$${}',
+      '<hr class="${tag}">',
+    ]
+    for line in lines:
+      self.ShouldPassCheck(line, self.checker.ClassesUseDashFormCheck)
+
   def testClassesUseDashFormCheckFails(self):
     lines = [
       ' <a class="Foo-bar" href="classBar"> ',