Use an explicit boolean has_new_first_party_for_cookies instead...

chrome/plugin/chrome_plugin_host.cc

 // Copyright (c) 2009 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 "chrome/plugin/chrome_plugin_host.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
@@ skipping 51 matching lines @@
   virtual void OnUploadProgress(uint64 position, uint64 size) {
     CPRR_UploadProgressFunc upload_progress =
         plugin_->functions().response_funcs->upload_progress;
     if (upload_progress)
       upload_progress(cprequest_.get(), position, size);
   }
 
   virtual bool OnReceivedRedirect(
       const GURL& new_url,
       const ResourceLoaderBridge::ResponseInfo& info,
+      bool* has_new_first_party_for_cookies,
       GURL* new_first_party_for_cookies) {
     plugin_->functions().response_funcs->received_redirect(
         cprequest_.get(), new_url.spec().c_str());
-    *new_first_party_for_cookies = GURL();
+    // TODO(wtc): should we return a new first party for cookies URL?
+    *has_new_first_party_for_cookies = false;
     return true;
   }
 
   virtual void OnReceivedResponse(
       const ResourceLoaderBridge::ResponseInfo& info,
       bool content_filtered) {
     response_headers_ = info.headers;
     plugin_->functions().response_funcs->start_completed(
         cprequest_.get(), CPERR_SUCCESS);
   }
@@ skipping 617 matching lines @@
 
     response_funcs.size = sizeof(response_funcs);
     response_funcs.received_redirect = CPRR_ReceivedRedirect;
     response_funcs.start_completed = CPRR_StartCompleted;
     response_funcs.read_completed = CPRR_ReadCompleted;
     response_funcs.upload_progress = CPRR_UploadProgress;
   }
 
   return &browser_funcs;
 }