Dispatch IndexedDB IPC messages to worker threads

content/renderer/renderer_webidbdatabase_impl.cc

Index: content/renderer/renderer_webidbdatabase_impl.cc
diff --git a/content/renderer/renderer_webidbdatabase_impl.cc b/content/renderer/renderer_webidbdatabase_impl.cc
index bb230e0c6c90ed7da5f0211ca2da10c7ebe667a1..9e8ac4ebc17188577e77d3bce0720f9bd9df0bae 100644
--- a/content/renderer/renderer_webidbdatabase_impl.cc
+++ b/content/renderer/renderer_webidbdatabase_impl.cc
@@ -97,7 +97,7 @@ void RendererWebIDBDatabaseImpl::setVersion(
     WebIDBCallbacks* callbacks,
     WebExceptionCode& ec) {
   IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+      ChildThread::current()->indexed_db_dispatcher();
   dispatcher->RequestIDBDatabaseSetVersion(
       version, callbacks, idb_database_id_, &ec);
 }
@@ -112,10 +112,8 @@ WebKit::WebIDBTransaction* RendererWebIDBDatabaseImpl::transaction(
     object_stores.push_back(names.item(i));
 
   int transaction_id;
-  ChildThread::current()->Send(
-      new IndexedDBHostMsg_DatabaseTransaction(
-          idb_database_id_, object_stores, mode,
-          &transaction_id, &ec));
+  ChildThread::current()->Send(new IndexedDBHostMsg_DatabaseTransaction(
+      idb_database_id_, object_stores, mode, &transaction_id, &ec));
   if (!transaction_id)
     return NULL;
   return new RendererWebIDBTransactionImpl(transaction_id);
@@ -123,12 +121,13 @@ WebKit::WebIDBTransaction* RendererWebIDBDatabaseImpl::transaction(
 
 void RendererWebIDBDatabaseImpl::close() {
   IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+      ChildThread::current()->indexed_db_dispatcher();
   dispatcher->RequestIDBDatabaseClose(idb_database_id_);
 }
 
 void RendererWebIDBDatabaseImpl::open(WebIDBDatabaseCallbacks* callbacks) {
   IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+      ChildThread::current()->indexed_db_dispatcher();
+  DCHECK(dispatcher);
   dispatcher->RequestIDBDatabaseOpen(callbacks, idb_database_id_);
 }