Fix ParsedCookieTest.TestSetEmptyNameValue test

Change-Id: I6f3c3323638257d890edad4ba137f1914edcb38b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2469560Reviewed-by: Lily Chen <chlily@chromium.org>
Commit-Queue: Alexander Kalugin <akalugin@yandex-team.ru>
Cr-Commit-Position: refs/heads/master@{#817355}

net/cookies/parsed_cookie_unittest.cc

@@ -48,7 +48,7 @@ TEST(ParsedCookieTest, TestSetEmptyNameValue) {
   EXPECT_EQ("value", empty_name.Value());
   EXPECT_FALSE(empty_name.SetValue(""));
   EXPECT_EQ("value", empty_name.Value());
-  EXPECT_TRUE(empty_value.IsValid());
+  EXPECT_TRUE(empty_name.IsValid());
 }
 
 TEST(ParsedCookieTest, TestQuoted) {