Remove old transaction() call, proxies, and messages.

content/common/indexed_db/proxy_webidbdatabase_impl.cc

Index: content/common/indexed_db/proxy_webidbdatabase_impl.cc
diff --git a/content/common/indexed_db/proxy_webidbdatabase_impl.cc b/content/common/indexed_db/proxy_webidbdatabase_impl.cc
index 2a2d86ef8857cc3f58070788d48054fb2f19f9d7..9b9fbf7ccb81034eedf398b3dc312c4fc33d7b2f 100644
--- a/content/common/indexed_db/proxy_webidbdatabase_impl.cc
+++ b/content/common/indexed_db/proxy_webidbdatabase_impl.cc
@@ -126,25 +126,6 @@ void RendererWebIDBDatabaseImpl::deleteObjectStore(
           IndexedDBDispatcher::TransactionId(transaction), &ec));
 }
 
-// TODO(alecflett): Remove this as part of
-// https://bugs.webkit.org/show_bug.cgi?id=102733.
-WebKit::WebIDBTransaction* RendererWebIDBDatabaseImpl::transaction(
-    const WebVector<long long>& object_store_ids,
-    unsigned short mode) {
-  std::vector<int64> object_stores;
-  object_stores.reserve(object_store_ids.size());
-  for (unsigned int i = 0; i < object_store_ids.size(); ++i)
-      object_stores.push_back(object_store_ids[i]);
-
-  int ipc_transaction_id;
-  IndexedDBDispatcher::Send(new IndexedDBHostMsg_DatabaseTransactionOld(
-      WorkerTaskRunner::Instance()->CurrentWorkerId(),
-      idb_database_id_, object_stores, mode, &ipc_transaction_id));
-  if (!ipc_transaction_id)
-    return NULL;
-  return new RendererWebIDBTransactionImpl(ipc_transaction_id);
-}
-
 WebKit::WebIDBTransaction* RendererWebIDBDatabaseImpl::createTransaction(
     long long transaction_id,
     const WebVector<long long>& object_store_ids,