Clarify wording around blocking 3rd party cookies and add lab to block reading of 3rd party cookies

net/base/static_cookie_policy_unittest.cc

Index: net/base/static_cookie_policy_unittest.cc
diff --git a/net/base/static_cookie_policy_unittest.cc b/net/base/static_cookie_policy_unittest.cc
index 35c1a82f88e5e7805787574220f78f1b6335cef9..57dc4fa6eb535a2a17d29a33c3544887635aa590 100644
--- a/net/base/static_cookie_policy_unittest.cc
+++ b/net/base/static_cookie_policy_unittest.cc
@@ -62,8 +62,8 @@ TEST_F(StaticCookiePolicyTest, AllowAllCookiesTest) {
   EXPECT_EQ(net::OK, CanSetCookie(url_google_, GURL()));
 }
 
-TEST_F(StaticCookiePolicyTest, BlockThirdPartyCookiesTest) {
-  SetPolicyType(net::StaticCookiePolicy::BLOCK_THIRD_PARTY_COOKIES);
+TEST_F(StaticCookiePolicyTest, BlockSettingThirdPartyCookiesTest) {
+  SetPolicyType(net::StaticCookiePolicy::BLOCK_SETTING_THIRD_PARTY_COOKIES);
 
   EXPECT_EQ(net::OK, CanGetCookies(url_google_, url_google_));
   EXPECT_EQ(net::OK, CanGetCookies(url_google_, url_google_secure_));
@@ -78,6 +78,22 @@ TEST_F(StaticCookiePolicyTest, BlockThirdPartyCookiesTest) {
   EXPECT_EQ(net::OK, CanSetCookie(url_google_, GURL()));
 }
 
+TEST_F(StaticCookiePolicyTest, BlockAllThirdPartyCookiesTest) {
+  SetPolicyType(net::StaticCookiePolicy::BLOCK_ALL_THIRD_PARTY_COOKIES);
+
+  EXPECT_EQ(net::OK, CanGetCookies(url_google_, url_google_));
+  EXPECT_EQ(net::OK, CanGetCookies(url_google_, url_google_secure_));
+  EXPECT_EQ(net::OK, CanGetCookies(url_google_, url_google_mail_));
+  EXPECT_NE(net::OK, CanGetCookies(url_google_, url_google_analytics_));
+  EXPECT_EQ(net::OK, CanGetCookies(url_google_, GURL()));
+
+  EXPECT_EQ(net::OK, CanSetCookie(url_google_, url_google_));
+  EXPECT_EQ(net::OK, CanSetCookie(url_google_, url_google_secure_));
+  EXPECT_EQ(net::OK, CanSetCookie(url_google_, url_google_mail_));
+  EXPECT_NE(net::OK, CanSetCookie(url_google_, url_google_analytics_));
+  EXPECT_EQ(net::OK, CanSetCookie(url_google_, GURL()));
+}
+
 TEST_F(StaticCookiePolicyTest, BlockAllCookiesTest) {
   SetPolicyType(net::StaticCookiePolicy::BLOCK_ALL_COOKIES);