Dispatch IndexedDB IPC messages to worker threads

content/renderer/renderer_webidbobjectstore_impl.cc

 // Copyright (c) 2011 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 "content/renderer/renderer_webidbobjectstore_impl.h"
 
 #include "content/common/indexed_db_messages.h"
 #include "content/public/common/serialized_script_value.h"
 #include "content/renderer/indexed_db_dispatcher.h"
 #include "content/renderer/render_thread_impl.h"
@@ skipping 56 matching lines @@
     web_result.append(*it);
   }
   return web_result;
 }
 
 void RendererWebIDBObjectStoreImpl::get(
     const WebIDBKey& key,
     WebIDBCallbacks* callbacks,
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBObjectStoreGet(
       IndexedDBKey(key), callbacks, idb_object_store_id_, transaction, &ec);
 }
 
 void RendererWebIDBObjectStoreImpl::put(
     const WebSerializedScriptValue& value,
     const WebIDBKey& key,
     PutMode put_mode,
     WebIDBCallbacks* callbacks,
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBObjectStorePut(
       content::SerializedScriptValue(value), IndexedDBKey(key), put_mode,
       callbacks, idb_object_store_id_, transaction, &ec);
 }
 
 void RendererWebIDBObjectStoreImpl::deleteFunction(
     const WebIDBKey& key,
     WebIDBCallbacks* callbacks,
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBObjectStoreDelete(
       IndexedDBKey(key), callbacks, idb_object_store_id_, transaction, &ec);
 }
 
 void RendererWebIDBObjectStoreImpl::clear(
     WebIDBCallbacks* callbacks,
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBObjectStoreClear(
       callbacks, idb_object_store_id_, transaction, &ec);
 }
 
 WebIDBIndex* RendererWebIDBObjectStoreImpl::createIndex(
     const WebString& name,
     const WebString& key_path,
     bool unique,
     bool multi_entry,
     const WebIDBTransaction& transaction,
@@ skipping 34 matching lines @@
       new IndexedDBHostMsg_ObjectStoreDeleteIndex(
           idb_object_store_id_, name,
           IndexedDBDispatcher::TransactionId(transaction), &ec));
 }
 
 void RendererWebIDBObjectStoreImpl::openCursor(
     const WebIDBKeyRange& idb_key_range,
     unsigned short direction, WebIDBCallbacks* callbacks,
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
-  IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+  IndexedDBDispatcher* dispatcher = IndexedDBDispatcher::Instance();
   dispatcher->RequestIDBObjectStoreOpenCursor(
       idb_key_range, direction, callbacks,  idb_object_store_id_,
       transaction, &ec);
 }