IndexedDB: Implement IPC plumbing for IDBObjectStore.delete(IDBKeyRange)

content/common/indexed_db/indexed_db_dispatcher.cc

Index: content/common/indexed_db/indexed_db_dispatcher.cc
diff --git a/content/common/indexed_db/indexed_db_dispatcher.cc b/content/common/indexed_db/indexed_db_dispatcher.cc
index c8de3588c3bc9a439f8d3331673c6a31677133f0..86ac318ba51730c59614c1ea70a54e1777abc6a6 100644
--- a/content/common/indexed_db/indexed_db_dispatcher.cc
+++ b/content/common/indexed_db/indexed_db_dispatcher.cc
@@ -423,6 +423,23 @@ void IndexedDBDispatcher::RequestIDBObjectStoreDelete(
     pending_callbacks_.Remove(response_id);
 }
 
+void IndexedDBDispatcher::RequestIDBObjectStoreDeleteRange(
+    const IndexedDBKeyRange& key_range,
+    WebIDBCallbacks* callbacks_ptr,
+    int32 idb_object_store_id,
+    const WebIDBTransaction& transaction,
+    WebExceptionCode* ec) {
+  ResetCursorPrefetchCaches();
+  scoped_ptr<WebIDBCallbacks> callbacks(callbacks_ptr);
+
+  int32 response_id = pending_callbacks_.Add(callbacks.release());
+  Send(new IndexedDBHostMsg_ObjectStoreDeleteRange(
+      idb_object_store_id, CurrentWorkerId(), response_id, key_range,
+      TransactionId(transaction), ec));
+  if (*ec)
+    pending_callbacks_.Remove(response_id);
+}
+
 void IndexedDBDispatcher::RequestIDBObjectStoreClear(
     WebIDBCallbacks* callbacks_ptr,
     int32 idb_object_store_id,