Call setNeedsUpdateConstraints after adding Native controller view to superview

ios/web/web_state/ui/crw_web_controller.mm

 // Copyright 2012 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_web_controller.h"
 
 #import <objc/runtime.h>
 #include <cmath>
 
 #include "base/ios/block_types.h"
@@ skipping 1360 matching lines @@
   // However the delegate is not immediately called.
   [self registerLoadRequest:targetURL
                    referrer:referrer
                  transition:[self currentTransition]];
   [self loadRequest:request];
 }
 
 - (void)loadNativeViewWithSuccess:(BOOL)loadSuccess {
   [_nativeController view].frame = [self visibleFrame];
   [_containerView addSubview:[_nativeController view]];
+  [[_nativeController view] setNeedsUpdateConstraints];
   const GURL currentURL([self currentURL]);
   [self didStartLoadingURL:currentURL updateHistory:loadSuccess];
   _loadPhase = web::PAGE_LOADED;
 
   // Perform post-load-finished updates.
   [self didFinishWithURL:currentURL loadSuccess:loadSuccess];
 
   // Inform the embedder the title changed.
   if ([_delegate respondsToSelector:@selector(webController:titleDidChange:)]) {
     NSString* title = [_nativeController title];
@@ skipping 2292 matching lines @@
   if (!_externalRequest || !_externalRequest->window_name)
     return @"";
   return _externalRequest->window_name;
 }
 
 - (void)resetExternalRequest {
   _externalRequest.reset();
 }
 
 @end