Created web::UserAgentType.

ios/web/navigation/crw_session_entry.mm

 // Copyright 2012 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.
 
 #import "ios/web/navigation/crw_session_entry.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 35 matching lines @@
   CRWSessionEntry* copy = [[[self class] alloc] init];
   copy->_navigationItem.reset(
       new web::NavigationItemImpl(*_navigationItem.get()));
   return copy;
 }
 
 - (NSString*)description {
   return [NSString
       stringWithFormat:
           @"url:%@ originalurl:%@ title:%@ transition:%d displayState:%@ "
-          @"desktopUA:%d",
+          @"userAgentType:%s",
           base::SysUTF8ToNSString(_navigationItem->GetURL().spec()),
           base::SysUTF8ToNSString(
               _navigationItem->GetOriginalRequestURL().spec()),
           base::SysUTF16ToNSString(_navigationItem->GetTitle()),
           _navigationItem->GetTransitionType(),
           _navigationItem->GetPageDisplayState().GetDescription(),
-          _navigationItem->IsOverridingUserAgent()];
+          web::GetUserAgentTypeDescription(_navigationItem->GetUserAgentType())
+              .c_str()];
 }
 
 - (web::NavigationItem*)navigationItem {
   return _navigationItem.get();
 }
 
 - (web::NavigationItemImpl*)navigationItemImpl {
   return _navigationItem.get();
 }
 
 @end