Removed webControllerDidSuppressDialog: callback.

ios/web/web_state/web_state_impl.mm

 // Copyright 2013 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/web_state_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
@@ skipping 193 matching lines @@
 void WebStateImpl::OnTitleChanged() {
   for (auto& observer : observers_)
     observer.TitleWasSet();
 }
 
 void WebStateImpl::OnVisibleSecurityStateChange() {
   for (auto& observer : observers_)
     observer.DidChangeVisibleSecurityState();
 }
 
+void WebStateImpl::OnDialogSuppressed() {
+  DCHECK(ShouldSuppressDialogs());
+  for (auto& observer : observers_)
+    observer.DidSuppressDialog();
+}
+
 void WebStateImpl::OnRenderProcessGone() {
   for (auto& observer : observers_)
     observer.RenderProcessGone();
 }
 
 bool WebStateImpl::OnScriptCommandReceived(const std::string& command,
                                            const base::DictionaryValue& value,
                                            const GURL& url,
                                            bool user_is_interacting) {
   size_t dot_position = command.find_first_of('.');
@@ skipping 527 matching lines @@
     const LoadCommittedDetails& load_details) {
   for (auto& observer : observers_)
     observer.NavigationItemCommitted(load_details);
 }
 
 WebState* WebStateImpl::GetWebState() {
   return this;
 }
 
 }  // namespace web