IndexedDB: Replace passing identically-sized vectors with pairs

content/browser/indexed_db/indexed_db_dispatcher_host.cc

Index: content/browser/indexed_db/indexed_db_dispatcher_host.cc
diff --git a/content/browser/indexed_db/indexed_db_dispatcher_host.cc b/content/browser/indexed_db/indexed_db_dispatcher_host.cc
index c31881531d0acb04d14b41cb4a77125f6f39cd86..ffa628c401669cd85a1d4934d867a9e4992be4d4 100644
--- a/content/browser/indexed_db/indexed_db_dispatcher_host.cc
+++ b/content/browser/indexed_db/indexed_db_dispatcher_host.cc
@@ -531,16 +531,6 @@ void IndexedDBDispatcherHost::DatabaseDispatcherHost::OnPut(
       parent_, params.ipc_thread_id, params.ipc_callbacks_id));
 
   int64 host_transaction_id = parent_->HostTransactionId(params.transaction_id);
-  if (params.index_ids.size() != params.index_keys.size()) {
-    connection->database()->Abort(
-        host_transaction_id,
-        IndexedDBDatabaseError(
-            blink::WebIDBDatabaseExceptionUnknownError,
-            "Malformed IPC message: index_ids.size() != index_keys.size()"));
-    parent_->BadMessageReceived();
-    return;
-  }
-
   // TODO(alecflett): Avoid a copy here.
   std::string value_copy(params.value);
   connection->database()->Put(
@@ -550,7 +540,6 @@ void IndexedDBDispatcherHost::DatabaseDispatcherHost::OnPut(
       make_scoped_ptr(new IndexedDBKey(params.key)),
       static_cast<IndexedDBDatabase::PutMode>(params.put_mode),
       callbacks,
-      params.index_ids,
       params.index_keys);
   TransactionIDToSizeMap* map =
       &parent_->database_dispatcher_host_->transaction_size_map_;
@@ -569,21 +558,10 @@ void IndexedDBDispatcherHost::DatabaseDispatcherHost::OnSetIndexKeys(
     return;
 
   int64 host_transaction_id = parent_->HostTransactionId(params.transaction_id);
-  if (params.index_ids.size() != params.index_keys.size()) {
-    connection->database()->Abort(
-        host_transaction_id,
-        IndexedDBDatabaseError(
-            blink::WebIDBDatabaseExceptionUnknownError,
-            "Malformed IPC message: index_ids.size() != index_keys.size()"));
-    parent_->BadMessageReceived();
-    return;
-  }
-
   connection->database()->SetIndexKeys(
       host_transaction_id,
       params.object_store_id,
       make_scoped_ptr(new IndexedDBKey(params.primary_key)),
-      params.index_ids,
       params.index_keys);
 }