Make it so that allow_js_access: false can be used with background pages created by window.open.

chrome/common/extensions/extension_manifest_constants.cc

 // Copyright (c) 2012 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/extension_manifest_constants.h"
 
 namespace extension_manifest_keys {
 
 const char kAllFrames[] = "all_frames";
 const char kAltKey[] = "altKey";
@@ skipping 163 matching lines @@
     "default. You can enable 'Experimental Extension APIs' "
     "by visiting chrome://flags.";
 const char kFeatureNotAllowed[] =
     "Feature '*' is not accessible. *";
 const char kInvalidAllFrames[] =
     "Invalid value for 'content_scripts[*].all_frames'.";
 const char kInvalidBackground[] =
     "Invalid value for 'background_page'.";
 const char kInvalidBackgroundAllowJsAccess[] =
     "Invalid value for 'background.allow_js_access'.";
-const char kInvalidBackgroundAllowJsAccessNoPage[] =
-    "Must specify one of background.page or background.scripts to use"
-    " background.allow_js_access.";
 const char kInvalidBackgroundCombination[] =
     "The background.page and background.scripts properties cannot be used at "
     "the same time.";
 const char kInvalidBackgroundScript[] =
     "Invalid value for 'background.scripts[*]'.";
 const char kInvalidBackgroundScripts[] =
     "Invalid value for 'background.scripts'.";
 const char kInvalidBackgroundInHostedApp[] =
     "Invalid value for 'background_page'. Hosted apps must specify an "
     "absolute HTTPS URL for the background page.";
@@ skipping 267 matching lines @@
     "Loading platform_app extension type is turned off by default. "
     "You can enable this type with the --enable-platform-apps "
     "command-line flag.";
 const char kReservedMessageFound[] =
     "Reserved key * found in message catalog.";
 #if defined(OS_CHROMEOS)
 const char kIllegalPlugins[] =
     "Extensions cannot install plugins on Chrome OS";
 #endif
 }  // namespace extension_manifest_errors