Moved window opening callback to WebStateDelegate.

ios/chrome/browser/tabs/tab.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/chrome/browser/tabs/tab.h"
 
 #import <CoreLocation/CoreLocation.h>
 #import <UIKit/UIKit.h>
 
 #include <utility>
@@ skipping 1984 matching lines @@
 
 - (void)setWebUsageEnabled:(BOOL)webUsageEnabled {
   [self.webController setWebUsageEnabled:webUsageEnabled];
 }
 
 - (void)webControllerDidSuppressDialog:(id)webController {
   DCHECK(isPrerenderTab_);
   [delegate_ discardPrerender];
 }
 
-- (CRWWebController*)webController:(CRWWebController*)webController
-         createWebControllerForURL:(const GURL&)URL
-                         openerURL:(const GURL&)openerURL
-                   initiatedByUser:(BOOL)initiatedByUser {
-  // Check if requested web controller is a popup and block it if necessary.
-  if (!initiatedByUser) {
-    web::WebState* webState = webController.webState;
-    auto* helper = BlockedPopupTabHelper::FromWebState(webState);
-    if (helper->ShouldBlockPopup(openerURL)) {
-      web::NavigationItem* item =
-          webState->GetNavigationManager()->GetLastCommittedItem();
-      web::Referrer referrer(openerURL, item->GetReferrer().policy);
-      helper->HandlePopup(URL, referrer);
-      return nil;
-    }
-  }
-
-  // Requested web controller should not be blocked from opening.
-  [self updateSnapshotWithOverlay:YES visibleFrameOnly:YES];
-
-  // Tabs open by DOM are always renderer initiated.
-  web::NavigationManager::WebLoadParams params(GURL{});
-  params.transition_type = ui::PAGE_TRANSITION_LINK;
-  params.is_renderer_initiated = YES;
-  Tab* tab = [parentTabModel_
-      insertTabWithLoadParams:params
-                       opener:self
-                  openedByDOM:YES
-                      atIndex:TabModelConstants::kTabPositionAutomatically
-                 inBackground:NO];
-  return tab.webController;
-}
-
 - (CGFloat)headerHeightForWebController:(CRWWebController*)webController {
   return [self.tabHeadersDelegate headerHeightForTab:self];
 }
 
 - (void)webControllerDidUpdateSSLStatusForCurrentNavigationItem:
     (CRWWebController*)webController {
   // Disable fullscreen if SSL cert is invalid.
   web::NavigationItem* item = [self navigationManager]->GetTransientItem();
   web::SecurityStyle securityStyle =
       item ? item->GetSSL().security_style : web::SECURITY_STYLE_UNKNOWN;
@@ skipping 188 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end