Simplify infobar expiry.

chrome/browser/media/midi_permission_infobar_delegate.cc

 // Copyright 2013 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/media/midi_permission_infobar_delegate.h"
 
-#include "chrome/browser/content_settings/permission_queue_controller.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/grit/generated_resources.h"
-#include "chrome/grit/locale_settings.h"
-#include "components/content_settings/core/common/permission_request_id.h"
 #include "components/infobars/core/infobar.h"
-#include "content/public/browser/navigation_entry.h"
-#include "content/public/browser/web_contents.h"
 #include "grit/theme_resources.h"
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util.h"
 
 // static
 infobars::InfoBar* MidiPermissionInfoBarDelegate::Create(
     InfoBarService* infobar_service,
     PermissionQueueController* controller,
     const PermissionRequestID& id,
     const GURL& requesting_frame,
     const std::string& display_languages,
     ContentSettingsType type) {
-  const content::NavigationEntry* committed_entry =
-      infobar_service->web_contents()->GetController().GetLastCommittedEntry();
   return infobar_service->AddInfoBar(infobar_service->CreateConfirmInfoBar(
       scoped_ptr<ConfirmInfoBarDelegate>(new MidiPermissionInfoBarDelegate(
-          controller, id, requesting_frame,
-          committed_entry ? committed_entry->GetUniqueID() : 0,
-          display_languages, type))));
+          controller, id, requesting_frame, display_languages, type))));
 }
 
 MidiPermissionInfoBarDelegate::MidiPermissionInfoBarDelegate(
     PermissionQueueController* controller,
     const PermissionRequestID& id,
     const GURL& requesting_frame,
-    int contents_unique_id,
     const std::string& display_languages,
     ContentSettingsType type)
     : PermissionInfobarDelegate(controller, id, requesting_frame, type),
       requesting_frame_(requesting_frame),
       display_languages_(display_languages) {
 }
 
 MidiPermissionInfoBarDelegate::~MidiPermissionInfoBarDelegate() {
 }
 
 int MidiPermissionInfoBarDelegate::GetIconID() const {
   return IDR_INFOBAR_MIDI;
 }
 
 base::string16 MidiPermissionInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringFUTF16(
       IDS_MIDI_SYSEX_INFOBAR_QUESTION,
       net::FormatUrl(requesting_frame_.GetOrigin(), display_languages_,
                      net::kFormatUrlOmitUsernamePassword |
                      net::kFormatUrlOmitTrailingSlashOnBareHostname,
                      net::UnescapeRule::SPACES, NULL, NULL, NULL));
 }