Don't open the Collected Cookies dialog if the related web contents is null because the tab was alr…

chrome/browser/ui/views/website_settings/website_settings_popup_view.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/ui/views/website_settings/website_settings_popup_view.h"
 
 #include <algorithm>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 828 matching lines @@
                   views::GridLayout::LEADING);
   layout->AddPaddingRow(0, kConnectionSectionPaddingBottom);
 }
 
 void WebsiteSettingsPopupView::HandleLinkClickedAsync(views::Link* source) {
   if (source == cookie_dialog_link_) {
     // Count how often the Collected Cookies dialog is opened.
     presenter_->RecordWebsiteSettingsAction(
         WebsiteSettings::WEBSITE_SETTINGS_COOKIES_DIALOG_OPENED);
 
-    new CollectedCookiesViews(web_contents_);
+    if (web_contents_ != NULL)
+      new CollectedCookiesViews(web_contents_);
   } else if (source == certificate_dialog_link_) {
     gfx::NativeWindow parent = GetAnchorView() ?
         GetAnchorView()->GetWidget()->GetNativeWindow() : nullptr;
     presenter_->RecordWebsiteSettingsAction(
         WebsiteSettings::WEBSITE_SETTINGS_CERTIFICATE_DIALOG_OPENED);
     ShowCertificateViewerByID(web_contents_, parent, cert_id_);
   } else if (source == signed_certificate_timestamps_link_) {
     chrome::ShowSignedCertificateTimestampsViewer(
         web_contents_, signed_certificate_timestamp_ids_);
     presenter_->RecordWebsiteSettingsAction(
@@ skipping 14 matching lines @@
     // desktop we should link to that here, too.
     browser_->OpenURL(content::OpenURLParams(
         GURL(chrome::kChromeUIContentSettingsURL), content::Referrer(),
         NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_LINK, false));
     presenter_->RecordWebsiteSettingsAction(
         WebsiteSettings::WEBSITE_SETTINGS_SITE_SETTINGS_OPENED);
   } else {
     NOTREACHED();
   }
 }