fixed the DCHECK and also corrected the website setting UI for media

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 "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/certificate_viewer.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
@@ skipping 473 matching lines @@
                         1,
                         views::GridLayout::USE_PREF,
                         0,
                         0);
   for (PermissionInfoList::const_iterator permission =
            permission_info_list.begin();
        permission != permission_info_list.end();
        ++permission) {
     layout->StartRow(1, content_column);
     PermissionSelectorView* selector = new PermissionSelectorView(
+        web_contents_ ? web_contents_->GetURL() : GURL::EmptyGURL(),
         permission->type,
         permission->default_setting,
         permission->setting,
         permission->source);
     selector->AddObserver(this);
     layout->AddView(selector,
                     1,
                     1,
                     views::GridLayout::LEADING,
                     views::GridLayout::CENTER);
@@ skipping 241 matching lines @@
 
   if (link) {
     content_layout->StartRow(1, 0);
     content_layout->AddView(link);
   }
 
   layout->AddView(content_pane, 1, 1, views::GridLayout::LEADING,
                   views::GridLayout::LEADING);
   layout->AddPaddingRow(0, kConnectionSectionPaddingBottom);
 }