Fix a minor style nit. Make a comment clearer.

net/http/http_network_transaction.cc

 // Copyright (c) 2006-2008 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.
 
 #include "net/http/http_network_transaction.h"
 
 #include "base/scoped_ptr.h"
 #include "base/compiler_specific.h"
 #include "base/string_util.h"
 #include "base/trace_event.h"
@@ skipping 1224 matching lines @@
 
   // Pick a new auth identity to try, by looking to the URL and auth cache.
   // If an identity to try is found, it is saved to auth_identity_[target].
   bool has_identity_to_try = SelectNextAuthIdentityToTry(target);
   DCHECK(has_identity_to_try == !auth_identity_[target].invalid);
 
   if (has_identity_to_try) {
     DCHECK(user_callback_);
     PrepareForAuthRestart(target);
     return WILL_RESTART_TRANSACTION;
-  } else {
-    // We have exhausted all identity possibilities, all we can do now is
-    // pass the challenge information back to the client.
-    PopulateAuthChallenge(target);
   }
 
+  // We have exhausted all identity possibilities, all we can do now is
+  // pass the challenge information back to the client.
+  PopulateAuthChallenge(target);
   return OK;
 }
 
 void HttpNetworkTransaction::PopulateAuthChallenge(HttpAuth::Target target) {
   // Populates response_.auth_challenge with the authentication challenge info.
   // This info is consumed by URLRequestHttpJob::GetAuthChallengeInfo().
 
   AuthChallengeInfo* auth_info = new AuthChallengeInfo;
   auth_info->is_proxy = target == HttpAuth::AUTH_PROXY;
   auth_info->scheme = ASCIIToWide(auth_handler_[target]->scheme());
   // TODO(eroman): decode realm according to RFC 2047.
   auth_info->realm = ASCIIToWide(auth_handler_[target]->realm());
   if (target == HttpAuth::AUTH_PROXY) {
     auth_info->host = ASCIIToWide(proxy_info_.proxy_server());
   } else {
     DCHECK(target == HttpAuth::AUTH_SERVER);
     auth_info->host = ASCIIToWide(request_->url.host());
   }
   response_.auth_challenge = auth_info;
 }
 
 }  // namespace net