Introduce chrome.displaySource API

chrome/common/extensions/permissions/chrome_permission_message_rules.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/common/extensions/permissions/chrome_permission_message_rules.h"
 
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 620 matching lines @@
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_AUTOFILL_PRIVATE,
        {APIPermission::kAutofillPrivate},
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_PASSWORDS_PRIVATE,
        {APIPermission::kPasswordsPrivate},
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_USERS_PRIVATE,
        {APIPermission::kUsersPrivate},
        {}},
+      {IDS_EXTENSION_PROMPT_WARNING_DISPLAY_SOURCE,
+       {APIPermission::kDisplaySource},
+       {}},
   };
 
   return std::vector<ChromePermissionMessageRule>(
       rules_arr, rules_arr + arraysize(rules_arr));
 }
 
 }  // namespace extensions