Turn on shared workers by default (remove --enable-shared-workers, replace with

chrome/renderer/renderer_webkitclient_impl.cc

 // Copyright (c) 2009 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/renderer/renderer_webkitclient_impl.h"
 
 #if defined(USE_SYSTEM_SQLITE)
 #include <sqlite3.h>
 #else
 #include "third_party/sqlite/preprocessed/sqlite3.h"
@@ skipping 343 matching lines @@
   const WebString& vfs_file_name) {
   DBMessageFilter* db_message_filter = DBMessageFilter::GetInstance();
   int message_id = db_message_filter->GetUniqueID();
   return db_message_filter->SendAndWait(
       new ViewHostMsg_DatabaseGetFileSize(vfs_file_name, message_id),
       message_id, 0LL);
 }
 
 WebKit::WebSharedWorkerRepository*
 RendererWebKitClientImpl::sharedWorkerRepository() {
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableSharedWorkers)) {
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableSharedWorkers)) {
     return &shared_worker_repository_;
   } else {
     return NULL;
   }
 }
 
 //------------------------------------------------------------------------------
 
 WebKit::WebString RendererWebKitClientImpl::signedPublicKeyAndChallengeString(
     unsigned key_size_index,
     const WebKit::WebString& challenge,
     const WebKit::WebURL& url) {
   std::string signed_public_key;
   RenderThread::current()->Send(new ViewHostMsg_Keygen(
       static_cast<uint32>(key_size_index),
       webkit_glue::WebStringToStdString(challenge),
       GURL(url),
       &signed_public_key));
   return webkit_glue::StdStringToWebString(signed_public_key);
 }