Remove TabContents from TabModalConfirmDialog.

chrome/browser/plugins/plugin_observer.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/plugins/plugin_observer.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 303 matching lines @@
 
 void PluginObserver::InstallMissingPlugin(
     PluginInstaller* installer,
     scoped_ptr<PluginMetadata> plugin_metadata) {
   if (plugin_metadata->url_for_display()) {
     installer->OpenDownloadURL(plugin_metadata->plugin_url(), web_contents());
   } else {
     TabModalConfirmDialog::Create(
         new ConfirmInstallDialogDelegate(
             web_contents(), installer, plugin_metadata.Pass()),
-            TabContents::FromWebContents(web_contents()));
+        web_contents());
   }
 }
 
 void PluginObserver::OnRemovePluginPlaceholderHost(int placeholder_id) {
   std::map<int, PluginPlaceholderHost*>::iterator it =
       plugin_placeholders_.find(placeholder_id);
   if (it == plugin_placeholders_.end()) {
     NOTREACHED();
     return;
   }
@@ skipping 44 matching lines @@
   infobar_helper->AddInfoBar(
       new PluginMetroModeInfoBarDelegate(
           infobar_helper,
           l10n_util::GetStringFUTF16(IDS_METRO_NPAPI_PLUGIN_PROMPT,
                                      plugin->name()),
           l10n_util::GetStringUTF16(IDS_WIN8_RESTART)));
 #else
   NOTREACHED();
 #endif
 }