Implement a permission check for push.

chrome/browser/services/gcm/permission_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/permission_infobar_delegate.h"
+
+#include "chrome/browser/content_settings/permission_queue_controller.h"
+#include "components/infobars/core/infobar.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace gcm {
+
+PermissionInfobarDelegate::~PermissionInfobarDelegate() {
+}
+
+PermissionInfobarDelegate::PermissionInfobarDelegate(
+    PermissionQueueController* controller,
+    const PermissionRequestID& id,
+    GURL& requesting_frame)
+    : controller_(controller), id_(id), requesting_frame_(requesting_frame) {
+}
+
+void PermissionInfobarDelegate::InfoBarDismissed() {
+  SetPermission(false, false);
+}
+
+infobars::InfoBarDelegate::Type PermissionInfobarDelegate::GetInfoBarType()
+    const {

[Peter Kasting, 2014/06/19 17:58:20]

Nit: "const" should be on same line as last arg (in this case, as the function
name).  So break after the return type above instead.

[Miguel Garcia, 2014/06/19 21:49:22]

Done.

+  return PAGE_ACTION_TYPE;
+}
+
+base::string16 PermissionInfobarDelegate::GetButtonLabel(
+    InfoBarButton button) const {
+  return l10n_util::GetStringUTF16((button == BUTTON_OK) ? IDS_PERMISSION_ALLOW
+                                                         : IDS_PERMISSION_DENY);

[Peter Kasting, 2014/06/19 17:58:20]

Nit: clang-format error; instead, break after "?" and indent 4:

  return xyz ?
      foo : bar;

[Miguel Garcia, 2014/06/19 21:49:22]

Done.

+}
+
+bool PermissionInfobarDelegate::Accept() {
+  SetPermission(true, true);
+  return true;
+}
+
+bool PermissionInfobarDelegate::Cancel() {
+  SetPermission(true, false);
+  return true;
+}
+
+void PermissionInfobarDelegate::SetPermission(bool update_content_setting,
+                                              bool allowed) {
+  content::WebContents* web_contents =
+      InfoBarService::WebContentsFromInfoBar(infobar());

[Peter Kasting, 2014/06/19 17:58:20]

Nit: You can inline this below if you start the args indented 4 instead of even
with the first paren.

[Miguel Garcia, 2014/06/19 21:49:22]

Done.

+  controller_->OnPermissionSet(id_,
+                               requesting_frame_,
+                               web_contents->GetURL(),
+                               update_content_setting,
+                               allowed);
+}

[Peter Kasting, 2014/06/19 17:58:20]

Nit: Blank line below this

[Miguel Garcia, 2014/06/19 21:49:22]

Done.

+}  // namespace gcm