Removed Form Resubmission callback from CRWWebDelegate.

ios/web/public/test/fakes/test_web_state_delegate.mm

 // Copyright 2017 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/test/fakes/test_web_state_delegate.h"
 
 #include "base/memory/ptr_util.h"
 
 namespace web {
 
+TestRepostFormRequest::TestRepostFormRequest() {}
+
+TestRepostFormRequest::~TestRepostFormRequest() = default;
+
+TestRepostFormRequest::TestRepostFormRequest(const TestRepostFormRequest&) =
+    default;
+
 TestAuthenticationRequest::TestAuthenticationRequest() {}
 
 TestAuthenticationRequest::~TestAuthenticationRequest() = default;
 
 TestAuthenticationRequest::TestAuthenticationRequest(
     const TestAuthenticationRequest&) = default;
 
 TestWebStateDelegate::TestWebStateDelegate() {}
 
 TestWebStateDelegate::~TestWebStateDelegate() = default;
 
 JavaScriptDialogPresenter* TestWebStateDelegate::GetJavaScriptDialogPresenter(
     WebState*) {
   get_java_script_dialog_presenter_called_ = true;
   return &java_script_dialog_presenter_;
 }
 
 void TestWebStateDelegate::LoadProgressChanged(WebState*, double) {
   load_progress_changed_called_ = true;
 }
 
 bool TestWebStateDelegate::HandleContextMenu(WebState*,
                                              const ContextMenuParams&) {
   handle_context_menu_called_ = true;
   return NO;
 }
 
+void TestWebStateDelegate::ShowRepostFormWarningDialog(
+    WebState* source,
+    const base::Callback<void(bool)>& callback) {
+  last_repost_form_request_ = base::MakeUnique<TestRepostFormRequest>();
+  last_repost_form_request_->web_state = source;
+  last_repost_form_request_->callback = callback;
+}
+
 TestJavaScriptDialogPresenter*
 TestWebStateDelegate::GetTestJavaScriptDialogPresenter() {
   return &java_script_dialog_presenter_;
 }
 
 void TestWebStateDelegate::OnAuthRequired(
     WebState* source,
     NSURLProtectionSpace* protection_space,
     NSURLCredential* credential,
     const AuthCallback& callback) {
   last_authentication_request_ = base::MakeUnique<TestAuthenticationRequest>();
   last_authentication_request_->web_state = source;
   last_authentication_request_->protection_space.reset(
       [protection_space retain]);
   last_authentication_request_->credential.reset([credential retain]);
   last_authentication_request_->auth_callback = callback;
 }
 
 }  // namespace web