Removed Form Resubmission callback from CRWWebDelegate.

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 1637 matching lines @@
 
   Tab* tab = [parentTabModel_
       insertBlankTabWithTransition:ui::PAGE_TRANSITION_LINK
                             opener:self
                        openedByDOM:YES
                            atIndex:TabModelConstants::kTabPositionAutomatically
                       inBackground:NO];
   return tab.webController;
 }
 
-- (void)webController:(CRWWebController*)webController
-    onFormResubmissionForRequest:(NSURLRequest*)request
-                   continueBlock:(ProceduralBlock)continueBlock
-                     cancelBlock:(ProceduralBlock)cancelBlock {
-  // Display the action sheet with the arrow pointing at the top center of the
-  // web contents.
-  CGPoint dialogLocation =
-      CGPointMake(CGRectGetMidX(webController.view.frame),
-                  CGRectGetMinY(webController.view.frame) +
-                      [self.tabHeadersDelegate headerHeightForTab:self]);
-  auto helper = FormResubmissionTabHelper::FromWebState(webController.webState);
-  helper->PresentFormResubmissionDialog(dialogLocation,
-                                        base::BindBlock(^(bool shouldContinue) {
-                                          if (shouldContinue)
-                                            continueBlock();
-                                          else
-                                            cancelBlock();
-                                        }));
-}
-
 // The web page wants to close its own window.
 - (void)webPageOrderedClose {
   // Only allow a web page to close itself if it was opened by DOM, or if there
   // are no navigation items.
   DCHECK([[self navigationManager]->GetSessionController() isOpenedByDOM] ||
          ![self navigationManager]->GetItemCount());
   [self closeThisTab];
 }
 
 // This method is invoked whenever the system believes the URL is about to
@@ skipping 621 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end