[Presubmit] check for single quotes in html properties

chrome/browser/web_dev_style/html_checker_test.py

Index: chrome/browser/web_dev_style/html_checker_test.py
diff --git a/chrome/browser/web_dev_style/html_checker_test.py b/chrome/browser/web_dev_style/html_checker_test.py
index e2472bbef03320ce306bb614c976aba61f61a235..6767ba401a467070a5ea1330300ba125e68e3214 100755
--- a/chrome/browser/web_dev_style/html_checker_test.py
+++ b/chrome/browser/web_dev_style/html_checker_test.py
@@ -56,6 +56,28 @@ class HtmlCheckerTest(SuperMoxTestBase):
     for line in lines:
       self.ShouldPassCheck(line, self.checker.ClassesUseDashFormCheck)
 
+  def testSingleQuoteCheckFails(self):
+    lines = [
+      """ <a href='classBar'> """,
+      """<a foo$="bar" href$='classBar'>""",
+      """<a foo="bar" less="more" href='classBar' kittens="cats">""",
+      """<a cats href='classBar' dogs>""",
+      """<a cats\n href='classBat\nclassBaz'\n dogs>""",
+    ]
+    for line in lines:
+      self.ShouldFailCheck(line, self.checker.DoNotUseSingleQuotesCheck)
+
+  def testSingleQuoteCheckPasses(self):
+    lines = [
+      """<b id="super-valid">SO VALID!</b>""",
+      """<a text$="i ain't got invalid quotes">i don't</a>""",
+      """<span>[[i18n('blah')]]</span> """,
+      """<a cats href="classBar" dogs>""",
+      """<a cats\n href="classBar"\n dogs>""",
+    ]
+    for line in lines:
+      self.ShouldPassCheck(line, self.checker.DoNotUseSingleQuotesCheck)
+
   def testDoNotCloseSingleTagsCheckFails(self):
     lines = [
       "<input/>",