Add a test for Notification.permission.

chrome/browser/notifications/notification_interactive_uitest.cc

Index: chrome/browser/notifications/notification_interactive_uitest.cc
diff --git a/chrome/browser/notifications/notification_interactive_uitest.cc b/chrome/browser/notifications/notification_interactive_uitest.cc
index 52e0d2597fa16303f9b1e9a5756963b3eb75581b..ee42f66c689447599008b02e434fd9d3438eb15d 100644
--- a/chrome/browser/notifications/notification_interactive_uitest.cc
+++ b/chrome/browser/notifications/notification_interactive_uitest.cc
@@ -235,6 +235,33 @@ IN_PROC_BROWSER_TEST_F(NotificationsTest, TestClosePermissionRequestUI) {
   EXPECT_EQ(0U, settings.size());
 }
 
+IN_PROC_BROWSER_TEST_F(NotificationsTest, TestPermissionAPI) {
+  EnablePermissionsEmbargo();
+  ASSERT_TRUE(embedded_test_server()->Start());
+
+  // Test that Notification.permission returns the right thing.
+  ui_test_utils::NavigateToURL(browser(), GetTestPageURL());
+  EXPECT_EQ("default", QueryPermissionStatus(browser()));
+
+  AllowOrigin(GetTestPageURL().GetOrigin());
+  EXPECT_EQ("granted", QueryPermissionStatus(browser()));
+
+  DenyOrigin(GetTestPageURL().GetOrigin());
+  EXPECT_EQ("denied", QueryPermissionStatus(browser()));
+
+  DropOriginPreference(GetTestPageURL().GetOrigin());
+
+  // Verify embargo behaviour - automatically blocked after 3 dismisses.
+  ASSERT_TRUE(RequestAndDismissPermission(browser()));
+  EXPECT_EQ("default", QueryPermissionStatus(browser()));
+
+  ASSERT_TRUE(RequestAndDismissPermission(browser()));
+  EXPECT_EQ("default", QueryPermissionStatus(browser()));
+
+  ASSERT_TRUE(RequestAndDismissPermission(browser()));
+  EXPECT_EQ("denied", QueryPermissionStatus(browser()));
+}
+
 IN_PROC_BROWSER_TEST_F(NotificationsTest, TestAllowNotificationsFromAllSites) {
   ASSERT_TRUE(embedded_test_server()->Start());