PS - Showing permission prompt for activeTab

chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.cc

Index: chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.cc
diff --git a/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.cc b/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2877ddb99ee4a162473c6b18ccd3d4760135ef9a
--- /dev/null
+++ b/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.cc
@@ -0,0 +1,36 @@
+// Copyright 2017 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/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.h"
+
+#include "chrome/browser/chromeos/extensions/public_session_permission_helper.h"
+#include "chrome/browser/profiles/profiles_state.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/permissions/api_permission.h"
+
+namespace extensions {
+
+ActiveTabPermissionGranterDelegateChromeOS::
+    ActiveTabPermissionGranterDelegateChromeOS() {}
+
+ActiveTabPermissionGranterDelegateChromeOS::
+    ~ActiveTabPermissionGranterDelegateChromeOS() {}
+
+bool ActiveTabPermissionGranterDelegateChromeOS::ShouldGrantActiveTab(
+    const Extension* extension,
+    content::WebContents* web_contents) {
+  bool already_handled = permission_helper::HandlePermissionRequest(
+      *extension, {APIPermission::kActiveTab}, web_contents,
+      permission_helper::RequestResolvedCallback(),
+      permission_helper::PromptFactory());
+
+  if (already_handled) {

[Devlin, 2017/05/23 19:28:03]

nit:
return already_handled &&
       permission_helper::PermissionAllowed(extension,
APIPermission::kActiveTab);

[Ivan Šandrk, 2017/05/24 09:29:01]

Done.

+    return permission_helper::PermissionAllowed(
+        extension, APIPermission::kActiveTab);
+  }
+
+  return false;
+}
+
+}  // namespace extensions