Try to restore window.opener when opening blocked popups

chrome/browser/sync/profile_sync_service_session_unittest.cc

 // Copyright (c) 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.
 
 #include <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
@@ skipping 1269 matching lines @@
   ASSERT_FALSE(error.IsSet());
 
   // To simulate WebContents swap during prerendering, create new WebContents
   // and swap with old WebContents.
   content::WebContents* old_web_contents =
       browser()->tab_strip_model()->GetActiveWebContents();
 
   // Create new WebContents, with the required tab helpers.
   WebContents* new_web_contents = WebContents::CreateWithSessionStorage(
       WebContents::CreateParams(profile()),
-      old_web_contents->GetController().GetSessionStorageNamespaceMap());
+      old_web_contents->GetController().GetSessionStorageNamespaceMap(),
+      NULL);
   SessionTabHelper::CreateForWebContents(new_web_contents);
   TabContentsSyncedTabDelegate::CreateForWebContents(new_web_contents);
   new_web_contents->GetController()
       .CopyStateFrom(old_web_contents->GetController());
 
   // Swap the WebContents.
   int index =
       browser()->tab_strip_model()->GetIndexOfWebContents(old_web_contents);
   browser()->tab_strip_model()->ReplaceWebContentsAt(index, new_web_contents);
 
@@ skipping 58 matching lines @@
   // Freeing the last sync node should drop the free nodes to
   // kFreeNodesLowWatermark.
   model_associator_->tab_pool_.FreeTabNode(last_sync_id);
   EXPECT_FALSE(model_associator_->tab_pool_.Empty());
   EXPECT_TRUE(model_associator_->tab_pool_.Full());
   EXPECT_EQ(TabNodePool::kFreeNodesLowWatermark,
             model_associator_->tab_pool_.Capacity());
 }
 
 }  // namespace browser_sync