Initialize CRIWVWebView with Configuration object instead of browserState.

ios/web_view/internal/criwv_web_client.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_VIEW_INTERNAL_CRIWV_WEB_CLIENT_H_
 #define IOS_WEB_VIEW_INTERNAL_CRIWV_WEB_CLIENT_H_
 
 #include <memory>
 #include "base/compiler_specific.h"
 #import "ios/web/public/web_client.h"
 
 @protocol CRIWVDelegate;
 
 namespace ios_web_view {
 class CRIWVBrowserState;
 class CRIWVWebMainParts;
 
 // CRIWV-specific implementation of WebClient.  Delegates some functionality to
 // CRIWVDelegate.
 class CRIWVWebClient : public web::WebClient {
  public:
   explicit CRIWVWebClient(id<CRIWVDelegate> delegate);
   ~CRIWVWebClient() override;
 
   // WebClient implementation.
   web::WebMainParts* CreateWebMainParts() override;
   std::string GetProduct() const override;
   std::string GetUserAgent(bool desktop_user_agent) const override;
 
-  // TODO(crbug.com/679895): Find a better way to get a BrowserState object to
-  // AppDelegate.
+  // Normal browser state associated with the receiver.
   CRIWVBrowserState* browser_state() const;
+  // Off the record browser state  associated with the receiver.
+  CRIWVBrowserState* off_the_record_browser_state() const;
 
  private:
   // This object's delegate.
   id<CRIWVDelegate> delegate_;
 
   // The WebMainParts created by |CreateWebMainParts()|.
   CRIWVWebMainParts* web_main_parts_;
 
   DISALLOW_COPY_AND_ASSIGN(CRIWVWebClient);
 };
 
 }  // namespace ios_web_view
 
 #endif  // IOS_WEB_VIEW_INTERNAL_CRIWV_WEB_CLIENT_H_