Dispatch IndexedDB IPC messages to worker threads

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 7fdb883a31dafaddd8e325a6200ce24dc30e6226..40bda2ea146bda87fc239556550c3a6f02269ca5 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -197,7 +197,6 @@ void RenderThreadImpl::Init() {
   task_factory_.reset(new ScopedRunnableMethodFactory<RenderThreadImpl>(this));
 
   appcache_dispatcher_.reset(new AppCacheDispatcher(Get()));
-  indexed_db_dispatcher_.reset(new IndexedDBDispatcher());
 
   db_message_filter_ = new DBMessageFilter();
   AddFilter(db_message_filter_.get());
@@ -489,7 +488,7 @@ void RenderThreadImpl::EnsureWebKitInitialized() {
       !command_line.HasSwitch(switches::kDisableSessionStorage));
 
   WebRuntimeFeatures::enableIndexedDatabase(
-      !command_line.HasSwitch(switches::kDisableIndexedDatabase));
+      command_line.HasSwitch(switches::kEnableIndexedDatabaseOnWorkers));
 
   WebRuntimeFeatures::enableGeolocation(
       !command_line.HasSwitch(switches::kDisableGeolocation));
@@ -707,8 +706,6 @@ bool RenderThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
   // Some messages are handled by delegates.
   if (appcache_dispatcher_->OnMessageReceived(msg))
     return true;
-  if (indexed_db_dispatcher_->OnMessageReceived(msg))
-    return true;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderThreadImpl, msg)