Implement a permission check for push.

chrome/browser/services/gcm/push_messaging_infobar_delegate.cc

+// Copyright 2014 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/services/gcm/push_messaging_infobar_delegate.h"
+
+#include "components/infobars/core/infobar.h"
+#include "grit/generated_resources.h"
+#include "net/base/net_util.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace gcm {
+
+// static
+infobars::InfoBar* PushMessagingInfoBarDelegate::Create(
+    InfoBarService* infobar_service,
+    PermissionQueueController* controller,
+    const PermissionRequestID& id,
+    const GURL& requesting_frame,
+    const std::string& display_languages) {
+  DCHECK(infobar_service);
+  DCHECK(controller);
+  return infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
+      scoped_ptr<ConfirmInfoBarDelegate>(new PushMessagingInfoBarDelegate(
+          controller, id, requesting_frame, display_languages))));
+}
+
+PushMessagingInfoBarDelegate::PushMessagingInfoBarDelegate(
+    PermissionQueueController* controller,
+    const PermissionRequestID& id,
+    const GURL& requesting_frame,
+    const std::string& display_languages)
+  : PermissionInfobarDelegate(controller, id, requesting_frame),
+    requesting_origin_(requesting_frame.GetOrigin()),
+    display_languages_(display_languages) {
+}
+
+PushMessagingInfoBarDelegate::~PushMessagingInfoBarDelegate() {
+}
+
+base::string16 PushMessagingInfoBarDelegate::GetMessageText() const {
+  return l10n_util::GetStringFUTF16(
+      IDS_PUSH_MESSAGES_PERMISSION_QUESTION,
+      net::FormatUrl(requesting_origin_, display_languages_));
+}
+
+}  // namespace gcm