Get IPC working for Indexed DB in shared workers.

content/browser/worker_host/worker_process_host.cc

Index: content/browser/worker_host/worker_process_host.cc
diff --git a/content/browser/worker_host/worker_process_host.cc b/content/browser/worker_host/worker_process_host.cc
index f84bff0d26484a3d6c74f3e5b5cbf55cbf6d0108..09539f3d18a4319320103081e31f1936d9b292b7 100644
--- a/content/browser/worker_host/worker_process_host.cc
+++ b/content/browser/worker_host/worker_process_host.cc
@@ -21,6 +21,7 @@
 #include "content/browser/debugger/worker_devtools_manager.h"
 #include "content/browser/debugger/worker_devtools_message_filter.h"
 #include "content/browser/file_system/file_system_dispatcher_host.h"
+#include "content/browser/in_process_webkit/indexed_db_dispatcher_host.h"
 #include "content/browser/mime_registry_message_filter.h"
 #include "content/browser/renderer_host/blob_message_filter.h"
 #include "content/browser/renderer_host/database_message_filter.h"
@@ -273,6 +274,8 @@ void WorkerProcessHost::CreateMessageFilters(int render_process_id) {
   process_->GetHost()->AddFilter(socket_stream_dispatcher_host);
   process_->GetHost()->AddFilter(
       new content::WorkerDevToolsMessageFilter(process_->GetData().id));
+  process_->GetHost()->AddFilter(new IndexedDBDispatcherHost(
+      process_->GetData().id, resource_context_->webkit_context()));
 }
 
 void WorkerProcessHost::CreateWorker(const WorkerInstance& instance) {