[ios] Signal load cancelled after presenting SSL interstitial.

ios/web/web_state/ui/crw_wk_web_view_web_controller.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/web/web_state/ui/crw_wk_web_view_web_controller.h"
 
 #import <WebKit/WebKit.h>
 
 #include "base/containers/mru_cache.h"
 #include "base/ios/ios_util.h"
@@ skipping 942 matching lines @@
           {leafCert, base::SysNSStringToUTF8(host)});
       if (error != _certVerificationErrors->end()) {
         status.cert_status = error->second.status;
         recoverable = error->second.is_recoverable;
       } else {
         // TODO(eugenebut): Report UMA with cache size (crbug.com/541736).
       }
     }
   }
 
-  // Present SSL interstitial.
+  // Present SSL interstitial and inform everyone that the load is cancelled.
   [self.delegate presentSSLError:info
                     forSSLStatus:status
                      recoverable:recoverable
                         callback:^(BOOL proceed) {
                           if (proceed) {
                             // The interstitial will be removed during reload.
                             [_certVerificationController
                                 allowCert:leafCert
                                   forHost:host
                                    status:status.cert_status];
                             [self loadCurrentURL];
                           }
                         }];
+  [self loadCancelled];
 }
 #endif  // #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW)
 
 - (void)addActivityIndicatorTask {
   [[CRWNetworkActivityIndicatorManager sharedInstance]
       startNetworkTaskForGroup:[self activityIndicatorGroupID]];
 }
 
 - (void)clearActivityIndicatorTasks {
   [[CRWNetworkActivityIndicatorManager sharedInstance]
@@ skipping 816 matching lines @@
                               placeholderText:defaultText
                                    requestURL:
             net::GURLWithNSURL(frame.request.URL)
                             completionHandler:completionHandler];
   } else if (completionHandler) {
     completionHandler(nil);
   }
 }
 
 @end