[polymer] Merge of master into polymer10-migration

tracing/tracing/value/unit_test.html

Index: tracing/tracing/value/unit_test.html
diff --git a/tracing/tracing/value/unit_test.html b/tracing/tracing/value/unit_test.html
index 2c355f9831ab70b76e654fbcf1d2f9a2d61d2294..6f9344fd2d566c6cd5b0d2b80a8a4dc84a97b0ee 100644
--- a/tracing/tracing/value/unit_test.html
+++ b/tracing/tracing/value/unit_test.html
@@ -220,5 +220,11 @@ tr.b.unittest.testSuite(function() {
     assert.equal(Unit.byName.unitlessNumber.format(-1.23), '-1.230');
     assert.equal(Unit.byName.unitlessNumber.format(0), '0.000');
   });
+
+  test('count', function() {
+    assert.equal(Unit.byName.count.format(0), '0');
+    assert.equal(Unit.byName.count.format(1), '1');
+    assert.equal(Unit.byName.count.format(100), '100');
+  });
 });
 </script>