CRWWebController no longer implements CRWRequestTrackerDelegate.

ios/web/web_state/ui/crw_web_controller.mm

Index: ios/web/web_state/ui/crw_web_controller.mm
diff --git a/ios/web/web_state/ui/crw_web_controller.mm b/ios/web/web_state/ui/crw_web_controller.mm
index 852fd1f5b64e34c26d8f3ff36847ba4d56ff3b5b..c035b4befecc87b149da90b5183c6d37af97a99b 100644
--- a/ios/web/web_state/ui/crw_web_controller.mm
+++ b/ios/web/web_state/ui/crw_web_controller.mm
@@ -3487,63 +3487,6 @@ const NSTimeInterval kSnapshotOverlayTransition = 0.5;
 }
 
 #pragma mark -
-#pragma mark CRWRequestTrackerDelegate
-
-- (void)updatedSSLStatus:(const web::SSLStatus&)sslStatus
-              forPageUrl:(const GURL&)url
-                userInfo:(id)userInfo {
-  // |userInfo| is a CRWSessionEntry.
-  web::NavigationItem* item =
-      [static_cast<CRWSessionEntry*>(userInfo) navigationItem];
-  if (!item)
-    return;  // This is a request update for an entry that no longer exists.
-
-  // This condition happens infrequently when a page load is misinterpreted as
-  // a resource load from a previous page. This can happen when moving quickly
-  // back and forth through history, the notifications from the web view on the
-  // UI thread and the one from the requests at the net layer may get out of
-  // sync. This catches this case and prevent updating an entry with the wrong
-  // SSL data.
-  if (item->GetURL().GetOrigin() != url.GetOrigin())
-    return;
-
-  if (item->GetSSL().Equals(sslStatus))
-    return;  // No need to update with the same data.
-
-  item->GetSSL() = sslStatus;
-
-  // Notify the UI it needs to refresh if the updated entry is the current
-  // entry.
-  if (userInfo == self.currentSessionEntry) {
-    [self didUpdateSSLStatusForCurrentNavigationItem];
-  }
-}
-
-- (void)handleResponseHeaders:(net::HttpResponseHeaders*)headers
-                   requestUrl:(const GURL&)requestUrl {
-  _webStateImpl->OnHttpResponseHeadersReceived(headers, requestUrl);
-}
-
-- (void)updatedProgress:(float)progress {
-  // This is a UIWebView callback, which is no longer called.
-  NOTREACHED();
-}
-
-- (void)certificateUsed:(net::X509Certificate*)certificate
-                forHost:(const std::string&)host
-                 status:(net::CertStatus)status {
-  [[[self sessionController] sessionCertificatePolicyManager]
-      registerAllowedCertificate:certificate
-                         forHost:host
-                          status:status];
-}
-
-- (void)clearCertificates {
-  [[[self sessionController] sessionCertificatePolicyManager]
-      clearCertificates];
-}
-
-#pragma mark -
 #pragma mark Popup handling
 
 - (BOOL)shouldBlockPopupWithURL:(const GURL&)popupURL