Dispatch IndexedDB IPC messages to worker threads

content/renderer/renderer_webidbtransaction_impl.cc

 // Copyright (c) 2010 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_webidbtransaction_impl.h"
 
 #include "content/common/indexed_db_messages.h"
 #include "content/renderer/indexed_db_dispatcher.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_webidbobjectstore_impl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBObjectStore.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 
 using WebKit::WebIDBObjectStore;
 using WebKit::WebIDBTransactionCallbacks;
 using WebKit::WebString;
 
 RendererWebIDBTransactionImpl::RendererWebIDBTransactionImpl(
     int32 idb_transaction_id)
     : idb_transaction_id_(idb_transaction_id) {
 }
 
 RendererWebIDBTransactionImpl::~RendererWebIDBTransactionImpl() {
   // It's not possible for there to be pending callbacks that address this
   // object since inside WebKit, they hold a reference to the object wich owns
   // this object. But, if that ever changed, then we'd need to invalidate
   // any such pointers.
-  RenderThreadImpl::current()->Send(new IndexedDBHostMsg_TransactionDestroyed(
+  ChildThread::current()->Send(new IndexedDBHostMsg_TransactionDestroyed(
       idb_transaction_id_));
 }
 
 int RendererWebIDBTransactionImpl::mode() const
 {
   int mode;
-  RenderThreadImpl::current()->Send(new IndexedDBHostMsg_TransactionMode(
+  ChildThread::current()->Send(new IndexedDBHostMsg_TransactionMode(
       idb_transaction_id_, &mode));
   return mode;
 }
 
 WebIDBObjectStore* RendererWebIDBTransactionImpl::objectStore(
     const WebString& name,
     WebKit::WebExceptionCode& ec)
 {
   int object_store_id;
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_TransactionObjectStore(
           idb_transaction_id_, name, &object_store_id, &ec));
   if (!object_store_id)
     return NULL;
   return new RendererWebIDBObjectStoreImpl(object_store_id);
 }
 
 void RendererWebIDBTransactionImpl::abort()
 {
-  RenderThreadImpl::current()->Send(new IndexedDBHostMsg_TransactionAbort(
+  ChildThread::current()->Send(new IndexedDBHostMsg_TransactionAbort(
       idb_transaction_id_));
 }
 
 void RendererWebIDBTransactionImpl::didCompleteTaskEvents()
 {
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_TransactionDidCompleteTaskEvents(
           idb_transaction_id_));
 }
 
 void RendererWebIDBTransactionImpl::setCallbacks(
     WebIDBTransactionCallbacks* callbacks)
 {
   IndexedDBDispatcher* dispatcher =
-      RenderThreadImpl::current()->indexed_db_dispatcher();
+      ChildThread::current()->indexed_db_dispatcher();
   dispatcher->RegisterWebIDBTransactionCallbacks(callbacks,
                                                  idb_transaction_id_);
 }