Dispatch IndexedDB IPC messages to worker threads

content/renderer/renderer_webidbfactory_impl.cc

Index: content/renderer/renderer_webidbfactory_impl.cc
diff --git a/content/renderer/renderer_webidbfactory_impl.cc b/content/renderer/renderer_webidbfactory_impl.cc
index b84cf29d0e962cc6ffdd47ded53d9ac844b212ca..8a2fbe6f1390bd1d08b88d0b077e419f58a0aea1 100644
--- a/content/renderer/renderer_webidbfactory_impl.cc
+++ b/content/renderer/renderer_webidbfactory_impl.cc
@@ -27,8 +27,7 @@ void RendererWebIDBFactoryImpl::getDatabaseNames(
     const WebSecurityOrigin& origin,
     WebFrame* web_frame,
     const WebString& data_dir_unused) {
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBFactoryGetDatabaseNames(
       callbacks, origin.databaseIdentifier(), web_frame);
 }
@@ -41,8 +40,7 @@ void RendererWebIDBFactoryImpl::open(
     const WebString& data_dir) {
   // Don't send the data_dir. We know what we want on the Browser side of
   // things.
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBFactoryOpen(
       name, callbacks, origin.databaseIdentifier(), web_frame);
 }
@@ -55,8 +53,7 @@ void RendererWebIDBFactoryImpl::deleteDatabase(
     const WebString& data_dir) {
   // Don't send the data_dir. We know what we want on the Browser side of
   // things.
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBFactoryDeleteDatabase(
       name, callbacks, origin.databaseIdentifier(), web_frame);
 }