[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..90252d0a1676ac4fc360f513bd392b38c3468c5f 100755
--- a/chrome/browser/web_dev_style/html_checker_test.py
+++ b/chrome/browser/web_dev_style/html_checker_test.py
@@ -56,6 +56,26 @@ 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>""",

[Dan Beam, 2016/06/23 21:00:47]

multi-line?

[dschuyler, 2016/06/23 22:03:07]

Done.

+    ]
+    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>""",

[Dan Beam, 2016/06/23 21:00:47]

multi-line?

[dschuyler, 2016/06/23 22:03:07]

Done.

+    ]
+    for line in lines:
+      self.ShouldPassCheck(line, self.checker.DoNotUseSingleQuotesCheck)
+
   def testDoNotCloseSingleTagsCheckFails(self):
     lines = [
       "<input/>",