[ios] Fixed dialogs suppression.

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 <stddef.h>
 
 #include <cmath>
@@ skipping 978 matching lines @@
   return scrollView.contentOffset.y == -scrollView.contentInset.top;
 }
 
 - (void)setShouldSuppressDialogs:(BOOL)shouldSuppressDialogs {
   _shouldSuppressDialogs = shouldSuppressDialogs;
   if (self.webView) {
     NSString* const kSetSuppressDialogs = [NSString
         stringWithFormat:@"__gCrWeb.setSuppressGeolocationDialogs(%d);",
                          shouldSuppressDialogs];
     [self evaluateJavaScript:kSetSuppressDialogs stringResultHandler:nil];
+    _shouldSuppressDialogsOnWindowIDInjection = NO;
   } else {
     _shouldSuppressDialogsOnWindowIDInjection = shouldSuppressDialogs;
   }
 }
 
 - (void)presentSpoofingError {
   UMA_HISTOGRAM_ENUMERATION("Web.URLVerificationFailure",
                             [self webViewDocumentType],
                             web::WEB_VIEW_DOCUMENT_TYPE_COUNT);
   if (self.webView) {
@@ skipping 2949 matching lines @@
   if ([MIMEType isEqualToString:@"text/html"] ||
       [MIMEType isEqualToString:@"application/xhtml+xml"] ||
       [MIMEType isEqualToString:@"application/xml"]) {
     return web::WEB_VIEW_DOCUMENT_TYPE_HTML;
   }
 
   return web::WEB_VIEW_DOCUMENT_TYPE_GENERIC;
 }
 
 @end