Created web::UserAgentType.

ios/web/navigation/navigation_manager_impl.h

 // Copyright 2013 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_NAVIGATION_NAVIGATION_MANAGER_IMPL_H_
 #define IOS_WEB_NAVIGATION_NAVIGATION_MANAGER_IMPL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 162 matching lines @@
 
  private:
   // The SessionStorageBuilder functions require access to private variables of
   // NavigationManagerImpl.
   friend SessionStorageBuilder;
 
   // Returns true if the PageTransition for the underlying navigation item at
   // |index| has ui::PAGE_TRANSITION_IS_REDIRECT_MASK.
   bool IsRedirectItemAtIndex(int index) const;
 
+  // Returns the most recent NavigationItem that does not have an app-specific
+  // URL.
+  NavigationItem* GetLastCommittedWebItem() const;
+
   // If true, override navigation item's useDesktopUserAgent flag and always
   // create the pending entry using the desktop user agent.
   // TODO(crbug.com/692303): Remove this when overriding the user agent doesn't
   // create a new NavigationItem.
   bool override_desktop_user_agent_for_next_pending_item_;
 
   // The primary delegate for this manager.
   NavigationManagerDelegate* delegate_;
 
   // The BrowserState that is associated with this instance.
   BrowserState* browser_state_;
 
   // CRWSessionController that backs this instance.
   // TODO(stuartmorgan): Fold CRWSessionController into this class.
   base::scoped_nsobject<CRWSessionController> session_controller_;
 
   // Weak pointer to the facade delegate.
   NavigationManagerFacadeDelegate* facade_delegate_;
 
   // List of transient url rewriters added by |AddTransientURLRewriter()|.
   std::unique_ptr<std::vector<BrowserURLRewriter::URLRewriter>>
       transient_url_rewriters_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationManagerImpl);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_NAVIGATION_NAVIGATION_MANAGER_IMPL_H_