Added enhanced bookmarks extension as an external component extension

extensions/common/extension.cc

 // Copyright (c) 2013 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 "extensions/common/extension.h"
 
 #include "base/base64.h"
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 350 matching lines @@
   // background pages. See http://crbug.com/116134.
   if (is_hosted_app())
     return false;
 
   return true;
 }
 
 bool Extension::ShouldNotBeVisible() const {
   // Don't show component extensions because they are only extensions as an
   // implementation detail of Chrome.
-  if (location() == Manifest::COMPONENT &&
+  if ((location() == Manifest::COMPONENT ||
+       location() == Manifest::EXTERNAL_COMPONENT) &&
       !CommandLine::ForCurrentProcess()->HasSwitch(
-        switches::kShowComponentExtensionOptions)) {
+          switches::kShowComponentExtensionOptions)) {
     return true;
   }
 
   // Always show unpacked extensions and apps.
   if (Manifest::IsUnpackedLocation(location()))
     return false;
 
   // Don't show apps that aren't visible in either launcher or ntp.
   if (is_app() && !ShouldDisplayInAppLauncher() && !ShouldDisplayInNewTabPage())
     return true;
@@ skipping 399 matching lines @@
 
 UpdatedExtensionPermissionsInfo::UpdatedExtensionPermissionsInfo(
     const Extension* extension,
     const PermissionSet* permissions,
     Reason reason)
     : reason(reason),
       extension(extension),
       permissions(permissions) {}
 
 }   // namespace extensions