[Cleanup] Fix TODOs in PlatformNotificationService Interactive UI Test

Change-Id: I6b8d69e82bc99b1a01ca053afb31b044362048ae
Reviewed-on: https://chromium-review.googlesource.com/888621
Commit-Queue: Anita Woodruff <awdf@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532397}

chrome/browser/notifications/platform_notification_service_interactive_uitest.cc

@@ -214,7 +214,7 @@ PlatformNotificationServiceBrowserTest::PlatformNotificationServiceBrowserTest()
     : server_root_(FILE_PATH_LITERAL("chrome/test/data")) {}
 
 // TODO(peter): Move PlatformNotificationService-related tests over from
-// notification_browsertest.cc to this file.
+// notification_interactive_uitest.cc to this file.
 
 IN_PROC_BROWSER_TEST_F(PlatformNotificationServiceBrowserTest,
                        DisplayPersistentNotificationWithoutPermission) {
@@ -1004,9 +1004,6 @@ IN_PROC_BROWSER_TEST_F(PlatformNotificationServiceMojoEnabledBrowserTest,
   // First, test the default values.
 
   std::string script_result;
-  // TODO(crbug.com/595685): Can simply call
-  // 'RunScript("DisplayNonPersistentNotification(...' once the show event is
-  // implemented via mojo, here and elsewhere in this test.
   RunScriptAndWaitForNotificationAdded(
       "DisplayNonPersistentNotification('Title')", &script_result);
   EXPECT_EQ("ok", script_result);