Initialize CRIWVWebView with Configuration object instead of browserState.

ios/web_view/internal/criwv_web_main_parts.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_MAIN_PARTS_H_
 #define IOS_WEB_VIEW_INTERNAL_CRIWV_WEB_MAIN_PARTS_H_
 
 #include "ios/web/public/app/web_main_parts.h"
 
 #include <memory>
 
 @protocol CRIWVDelegate;
 
 namespace ios_web_view {
 class CRIWVBrowserState;
 
 // CRIWV-specific implementation of WebMainParts.
 class CRIWVWebMainParts : public web::WebMainParts {
  public:
   explicit CRIWVWebMainParts(id<CRIWVDelegate> delegate);
   ~CRIWVWebMainParts() override;
 
   // WebMainParts implementation.
   void PreMainMessageLoopRun() override;
 
   // Returns the CRIWVBrowserState for this embedder.
   CRIWVBrowserState* browser_state() const { return browser_state_.get(); }
 
+  // Returns the off the record CRIWVBrowserState for this embedder.
+  CRIWVBrowserState* off_the_record_browser_state() const {
+    return off_the_record_browser_state_.get();
+  }
+
  private:
   // This object's delegate.
   id<CRIWVDelegate> delegate_;
 
   // The BrowserState for this embedder.
   std::unique_ptr<CRIWVBrowserState> browser_state_;
+
+  // The BrowserState for this embedder.
+  std::unique_ptr<CRIWVBrowserState> off_the_record_browser_state_;
 };
 
 }  // namespace ios_web_view
 
 #endif  // IOS_WEB_VIEW_INTERNAL_CRIWV_WEB_MAIN_PARTS_H_