Minor cleanup to how infobars handle expiry:

chrome/browser/google/google_url_tracker_infobar_delegate.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 "chrome/browser/google/google_url_tracker_infobar_delegate.h"
 
 #include "chrome/browser/api/infobars/infobar_service.h"
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/google/google_util.h"
 #include "content/public/browser/navigation_details.h"
@@ skipping 40 matching lines @@
   return false;
 }
 
 bool GoogleURLTrackerInfoBarDelegate::ShouldExpireInternal(
     const content::LoadCommittedDetails& details) const {
   int unique_id = details.entry->GetUniqueID();
   return (unique_id != contents_unique_id()) && (unique_id != pending_id_);
 }
 
 void GoogleURLTrackerInfoBarDelegate::Update(const GURL& search_url) {
-  StoreActiveEntryUniqueID(owner());
+  StoreActiveEntryUniqueID();
   search_url_ = search_url;
   pending_id_ = 0;
 }
 
 void GoogleURLTrackerInfoBarDelegate::Close(bool redo_search) {
   if (redo_search) {
     // Re-do the user's search on the new domain.
     DCHECK(search_url_.is_valid());
     url_canon::Replacements<char> replacements;
     const std::string& host(google_url_tracker_->fetched_google_url().host());
@@ skipping 23 matching lines @@
     InfoBarButton button) const {
   if (button == BUTTON_OK) {
     return l10n_util::GetStringFUTF16(
         IDS_GOOGLE_URL_TRACKER_INFOBAR_SWITCH,
         net::StripWWWFromHost(google_url_tracker_->fetched_google_url()));
   }
   return l10n_util::GetStringFUTF16(
       IDS_GOOGLE_URL_TRACKER_INFOBAR_DONT_SWITCH,
       net::StripWWWFromHost(google_url_tracker_->google_url()));
 }