Removed Form Resubmission callback from CRWWebDelegate.

ios/web/public/web_state/ui/crw_web_delegate.h

 // 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.
 
 #ifndef IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_WEB_DELEGATE_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_WEB_DELEGATE_H_
 
 #include <stdint.h>
 #import <UIKit/UIKit.h>
 #include <vector>
@@ skipping 63 matching lines @@
 // Called when the page load was cancelled by page activity (before a success /
 // failure state is known). Phase will be PAGE_LOADED.
 - (void)webLoadCancelled:(const GURL&)url;
 // Called when a page updates its history stack using pushState or replaceState.
 // TODO(stuartmorgan): Generalize this to cover any change of URL without page
 // document change.
 - (void)webDidUpdateHistoryStateWithPageURL:(const GURL&)pageUrl;
 // Called when a placeholder image should be displayed instead of the WebView.
 - (void)webController:(CRWWebController*)webController
     retrievePlaceholderOverlayImage:(void (^)(UIImage*))block;
-// Consults the delegate whether a form should be resubmitted for a request.
-// Occurs when a POST request is reached when navigating through history.
-// Call |continueBlock| if a form should be resubmitted.
-// Call |cancelBlock| if a form should not be resubmitted.
-// Delegates must call either of these (just once) before the load will
-// continue.
-- (void)webController:(CRWWebController*)webController
-    onFormResubmissionForRequest:(NSURLRequest*)request
-                   continueBlock:(ProceduralBlock)continueBlock
-                     cancelBlock:(ProceduralBlock)cancelBlock;
 
 // ---------------------------------------------------------------------
 // TODO(rohitrao): Eliminate as many of the following delegate methods as
 // possible.  They only exist because the Tab and CRWWebController logic was
 // very intertwined. We should streamline the logic to jump between classes
 // less, then remove any delegate method that becomes unneccessary as a result.
 
 // Called when the page is reloaded.
 - (void)webWillReload;
 // Called when a page is loaded using loadWithParams.  In
@@ skipping 79 matching lines @@
 // Called when a PassKit file is downloaded. |data| should be the data from a
 // PassKit file, but this is not guaranteed, and the delegate is responsible for
 // error handling non PassKit data using -[PKPass initWithData:error:]. If the
 // download does not successfully complete, |data| will be nil.
 - (void)webController:(CRWWebController*)webController
     didLoadPassKitObject:(NSData*)data;
 
 @end
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_WEB_DELEGATE_H_