Removed Form Resubmission callback from CRWWebDelegate.

ios/web/web_state/web_state_delegate.mm

 // Copyright 2016 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/public/web_state/web_state_delegate.h"
 
 #import "ios/web/public/web_state/web_state.h"
 
 namespace web {
 
@@ skipping 12 matching lines @@
     const WebState::OpenURLParams&) {
   return nullptr;
 }
 
 void WebStateDelegate::LoadProgressChanged(WebState*, double) {}
 
 bool WebStateDelegate::HandleContextMenu(WebState*, const ContextMenuParams&) {
   return false;
 }
 
+void WebStateDelegate::ShowRepostFormWarningDialog(
+    WebState*,
+    const base::Callback<void(bool)>& callback) {
+  callback.Run(true);
+}
+
 JavaScriptDialogPresenter* WebStateDelegate::GetJavaScriptDialogPresenter(
     WebState*) {
   return nullptr;
 }
 
 void WebStateDelegate::OnAuthRequired(WebState* source,
                                       NSURLProtectionSpace* protection_space,
                                       NSURLCredential* proposed_credential,
                                       const AuthCallback& callback) {
   callback.Run(nil, nil);
 }
 
 void WebStateDelegate::Attach(WebState* source) {
   DCHECK(attached_states_.find(source) == attached_states_.end());
   attached_states_.insert(source);
 }
 
 void WebStateDelegate::Detach(WebState* source) {
   DCHECK(attached_states_.find(source) != attached_states_.end());
   attached_states_.erase(source);
 }
 
 }  // web