Revert of Supervised Users: Create ResourceThrottle only if filtering is enabled

chrome/browser/supervised_user/supervised_user_resource_throttle_browsertest.cc

Index: chrome/browser/supervised_user/supervised_user_resource_throttle_browsertest.cc
diff --git a/chrome/browser/supervised_user/supervised_user_resource_throttle_browsertest.cc b/chrome/browser/supervised_user/supervised_user_resource_throttle_browsertest.cc
index 90955a67e65e6b7c66002e774b434eb5903b12bc..c19e8d29afbb0a722458cf43cefd4f91e9a5f93a 100644
--- a/chrome/browser/supervised_user/supervised_user_resource_throttle_browsertest.cc
+++ b/chrome/browser/supervised_user/supervised_user_resource_throttle_browsertest.cc
@@ -136,28 +136,3 @@
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(tab, "loaded2()", &loaded2));
   EXPECT_TRUE(loaded2);
 }
-
-class SupervisedUserResourceThrottleNotSupervisedTest
-    : public SupervisedUserResourceThrottleTest {
- protected:
-  SupervisedUserResourceThrottleNotSupervisedTest() {}
-  ~SupervisedUserResourceThrottleNotSupervisedTest() override {}
-
- private:
-  // Overridden to do nothing, so that the supervised user ID will be empty.
-  void SetUpCommandLine(base::CommandLine* command_line) override {}
-};
-
-IN_PROC_BROWSER_TEST_F(SupervisedUserResourceThrottleNotSupervisedTest,
-                       DontBlock) {
-  BlockHost(kExampleHost);
-
-  WebContents* tab = browser()->tab_strip_model()->GetActiveWebContents();
-
-  GURL blocked_url = embedded_test_server()->GetURL(
-      kExampleHost, "/supervised_user/simple.html");
-  ui_test_utils::NavigateToURL(browser(), blocked_url);
-  // Even though the URL is marked as blocked, the load should go through, since
-  // the user isn't supervised.
-  EXPECT_FALSE(tab->ShowingInterstitialPage());
-}