Allow IndexedDB to send messages from any thread in the renderer process.

content/renderer/renderer_webidbobjectstore_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_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 20 matching lines @@
 RendererWebIDBObjectStoreImpl::RendererWebIDBObjectStoreImpl(
     int32 idb_object_store_id)
     : idb_object_store_id_(idb_object_store_id) {
 }
 
 RendererWebIDBObjectStoreImpl::~RendererWebIDBObjectStoreImpl() {
   // 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(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_ObjectStoreDestroyed(idb_object_store_id_));
 }
 
 WebString RendererWebIDBObjectStoreImpl::name() const {
   string16 result;
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_ObjectStoreName(idb_object_store_id_, &result));
   return result;
 }
 
 WebString RendererWebIDBObjectStoreImpl::keyPath() const {
   NullableString16 result;
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_ObjectStoreKeyPath(idb_object_store_id_, &result));
   return result;
 }
 
 WebDOMStringList RendererWebIDBObjectStoreImpl::indexNames() const {
   std::vector<string16> result;
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_ObjectStoreIndexNames(
           idb_object_store_id_, &result));
   WebDOMStringList web_result;
   for (std::vector<string16>::const_iterator it = result.begin();
        it != result.end(); ++it) {
     web_result.append(*it);
   }
   return web_result;
 }
 
@@ skipping 50 matching lines @@
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
   IndexedDBHostMsg_ObjectStoreCreateIndex_Params params;
   params.name = name;
   params.key_path = key_path;
   params.unique = unique;
   params.transaction_id = IndexedDBDispatcher::TransactionId(transaction);
   params.idb_object_store_id = idb_object_store_id_;
 
   int32 index_id;
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_ObjectStoreCreateIndex(params, &index_id, &ec));
   if (!index_id)
     return NULL;
   return new RendererWebIDBIndexImpl(index_id);
 }
 
 WebIDBIndex* RendererWebIDBObjectStoreImpl::index(
     const WebString& name,
     WebExceptionCode& ec) {
   int32 idb_index_id;
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       new IndexedDBHostMsg_ObjectStoreIndex(idb_object_store_id_, name,
                                             &idb_index_id, &ec));
   if (!idb_index_id)
       return NULL;
   return new RendererWebIDBIndexImpl(idb_index_id);
 }
 
 void RendererWebIDBObjectStoreImpl::deleteIndex(
     const WebString& name,
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
-  RenderThreadImpl::current()->Send(
+  ChildThread::current()->Send(
       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();
   dispatcher->RequestIDBObjectStoreOpenCursor(
       idb_key_range, direction, callbacks,  idb_object_store_id_,
       transaction, &ec);
 }