Replaced webPageOrderedClose with WebStateDelegate API.

ios/web/public/web_state/web_state_delegate_bridge.h

 // 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.
 
 #ifndef IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_DELEGATE_BRIDGE_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_DELEGATE_BRIDGE_H_
 
 #import <Foundation/Foundation.h>
 
 #import "base/ios/weak_nsobject.h"
 #import "ios/web/public/web_state/web_state_delegate.h"
 
 // Objective-C interface for web::WebStateDelegate.
 @protocol CRWWebStateDelegate<NSObject>
 @optional
 
 // Called when |webState| wants to open a new window. |url| is the URL of
 // the new window; |opener_url| is the URL of the page which requested a
 // window to be open; |initiated_by_user| is true if action was caused by the
 // user. |webState| will not open a window if this method returns nil. This
 // method can not return |webState|.
 - (web::WebState*)webState:(web::WebState*)webState
     createNewWebStateForURL:(const GURL&)URL
                   openerURL:(const GURL&)openerURL
             initiatedByUser:(BOOL)initiatedByUser;
 
+// Called when the page calls wants to close self by calling window.close()
+// JavaScript API.
+- (void)closeWebState:(web::WebState*)webState;
+
 // Returns the WebState the URL is opened in, or nullptr if the URL wasn't
 // opened immediately.
 - (web::WebState*)webState:(web::WebState*)webState
          openURLWithParams:(const web::WebState::OpenURLParams&)params;
 
 // Called when the user triggers the context menu with the given
 // |ContextMenuParams|. Returns YES if the context menu operation was
 // handled by the delegate. If this method is not implemented, the system
 // context menu will be displayed.
 - (BOOL)webState:(web::WebState*)webState
@@ skipping 27 matching lines @@
 class WebStateDelegateBridge : public web::WebStateDelegate {
  public:
   explicit WebStateDelegateBridge(id<CRWWebStateDelegate> delegate);
   ~WebStateDelegateBridge() override;
 
   // web::WebStateDelegate methods.
   WebState* CreateNewWebState(WebState* source,
                               const GURL& url,
                               const GURL& opener_url,
                               bool initiated_by_user) override;
+  void CloseWebState(WebState* source) override;
   WebState* OpenURLFromWebState(WebState*,
                                 const WebState::OpenURLParams&) override;
   bool HandleContextMenu(WebState* source,
                          const ContextMenuParams& params) override;
   void ShowRepostFormWarningDialog(
       WebState* source,
       const base::Callback<void(bool)>& callback) override;
   JavaScriptDialogPresenter* GetJavaScriptDialogPresenter(
       WebState* source) override;
   void OnAuthRequired(WebState* source,
                       NSURLProtectionSpace* protection_space,
                       NSURLCredential* proposed_credential,
                       const AuthCallback& callback) override;
 
  private:
   // CRWWebStateDelegate which receives forwarded calls.
   base::WeakNSProtocol<id<CRWWebStateDelegate>> delegate_;
   DISALLOW_COPY_AND_ASSIGN(WebStateDelegateBridge);
 };
 
 }  // web
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_DELEGATE_BRIDGE_H_