[ios] Signal load cancelled after presenting SSL interstitial.

ios/web/web_state/ui/crw_wk_web_view_web_controller.mm

Index: ios/web/web_state/ui/crw_wk_web_view_web_controller.mm
diff --git a/ios/web/web_state/ui/crw_wk_web_view_web_controller.mm b/ios/web/web_state/ui/crw_wk_web_view_web_controller.mm
index 65c232e6df182041e79abc12e438e2de0a894635..e901ad813c785614371df2565dcdafbe6ef0abd7 100644
--- a/ios/web/web_state/ui/crw_wk_web_view_web_controller.mm
+++ b/ios/web/web_state/ui/crw_wk_web_view_web_controller.mm
@@ -971,7 +971,7 @@ WKWebViewErrorSource WKWebViewErrorSourceFromError(NSError* error) {
     }
   }
 
-  // Present SSL interstitial.
+  // Present SSL interstitial and inform everyone that the load is cancelled.
   [self.delegate presentSSLError:info
                     forSSLStatus:status
                      recoverable:recoverable
@@ -985,6 +985,7 @@ WKWebViewErrorSource WKWebViewErrorSourceFromError(NSError* error) {
                             [self loadCurrentURL];
                           }
                         }];
+  [self loadCancelled];
 }
 #endif  // #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW)