[ios] Removed deprecated methods from CRWWebUserInterfaceDelegate.

ios/web/public/web_state/crw_web_user_interface_delegate.h

 // Copyright 2014 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_CRW_WEB_USER_INTERFACE_DELEGATE_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_CRW_WEB_USER_INTERFACE_DELEGATE_H_
 
 #import <Foundation/Foundation.h>
 
 @class CRWWebController;
-class GURL;
 
 // DEPRECATED, do not conform to this protocol and do not add any methods to it.
 // Use web::WebStateDelegate instead.
 // TODO(crbug.com/675001): Remove this protocol.
 @protocol CRWWebUserInterfaceDelegate<NSObject>
 
  @optional
-// The JavaScript panel selectors below are only called by the web controller
-// for builds with WKWebView enabled.
-
-// Displays a JavaScript alert with an OK button, showing the provided message.
-// |completionHandler| is called after the OK button on the alert is tapped.
-// If this selector isn't implemented, the completion handler provided by the
-// web view will be called without any UI displayed. If this method is
-// implemented, but |completionHandler| is not called then
-// NSInternalInconsistencyException will be thrown.
-- (void)webController:(CRWWebController*)webController
-    runJavaScriptAlertPanelWithMessage:(NSString*)message
-                            requestURL:(const GURL&)requestURL
-                     completionHandler:(void (^)(void))completionHandler;
-
-// Displays a JavaScript confirm alert with an OK and Cancel button, showing the
-// provided message.  |completionHandler| is called after a button is pressed,
-// with |isConfirmed| indicating whether OK was pressed.  If this selector isn't
-// implemented, the completion handler provided by the web view will be called
-// with |isConfirmed| = NO. If this method is implemented, but
-// |completionHandler| is not called then NSInternalInconsistencyException will
-// be thrown.
-- (void)webController:(CRWWebController*)webController
-    runJavaScriptConfirmPanelWithMessage:(NSString*)message
-                              requestURL:(const GURL&)requestURL
-                       completionHandler:
-        (void (^)(BOOL isConfirmed))completionHandler;
-
-// Displays a JavaScript input alert with an OK and Cancel button, showing the
-// provided message and default text.  |completionHandler| is called after a
-// button is pressed.  If the OK button is pressed, |input| contains the user
-// text.  If the cancel but is pressed, |input| will be nil.  If this selector
-// isn't implemented, the completion handler provided by the web view will be
-// called with |input| = nil. If this method is implemented, but
-// |completionHandler| is not called then NSInternalInconsistencyException will
-// be thrown.
-- (void)webController:(CRWWebController*)webController
-    runJavaScriptTextInputPanelWithPrompt:(NSString*)message
-                              defaultText:(NSString*)defaultText
-                               requestURL:(const GURL&)requestURL
-                        completionHandler:
-                            (void (^)(NSString* input))completionHandler;
 
 // Displays an HTTP authentication dialog.  |completionHandler| should be called
 // with non-nil |username| and |password| if embedder wants to proceed with
 // authentication.  If this selector isn't implemented or completion is called
 // with nil |username| and nil |password|, authentication will be cancelled.
 // If this method is implemented, but |handler| is not called then
 // NSInternalInconsistencyException will be thrown.
 - (void)webController:(CRWWebController*)webController
     runAuthDialogForProtectionSpace:(NSURLProtectionSpace*)protectionSpace
                  proposedCredential:(NSURLCredential*)credential
                   completionHandler:
                       (void (^)(NSString* user, NSString* password))handler;
 
 // Cancels any outstanding dialogs requested by the methods above.
 - (void)cancelDialogsForWebController:(CRWWebController*)webController;
 
 @end
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_CRW_WEB_USER_INTERFACE_DELEGATE_H_