Port messages sent by WebIDBDatabaseImpl to Mojo.

content/common/indexed_db/indexed_db.typemap

Index: content/common/indexed_db/indexed_db.typemap
diff --git a/content/common/indexed_db/indexed_db.typemap b/content/common/indexed_db/indexed_db.typemap
index 8c73403c63b3ddb82db4a0b26a30e0eb88c767fa..de11446bfa6ae4418093ad59ebc0db0a6af660f2 100644
--- a/content/common/indexed_db/indexed_db.typemap
+++ b/content/common/indexed_db/indexed_db.typemap
@@ -4,7 +4,9 @@
 
 mojom = "//content/common/indexed_db/indexed_db.mojom"
 public_headers = [
+  "//content/common/indexed_db/indexed_db_key.h",
   "//content/common/indexed_db/indexed_db_key_path.h",
+  "//content/common/indexed_db/indexed_db_key_range.h",
   "//content/common/indexed_db/indexed_db_metadata.h",
   "//third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h",
 ]
@@ -14,9 +16,16 @@ traits_headers = [
   "//content/common/indexed_db/indexed_db_struct_traits.h",
 ]
 type_mappings = [
+  "indexed_db.mojom.CursorDirection=blink::WebIDBCursorDirection",
   "indexed_db.mojom.DatabaseMetadata=content::IndexedDBDatabaseMetadata",
   "indexed_db.mojom.DataLoss=blink::WebIDBDataLoss",
+  "indexed_db.mojom.IndexKeys=content::IndexedDBIndexKeys",
   "indexed_db.mojom.IndexMetadata=content::IndexedDBIndexMetadata",
+  "indexed_db.mojom.Key=content::IndexedDBKey",
   "indexed_db.mojom.KeyPath=content::IndexedDBKeyPath",
+  "indexed_db.mojom.KeyRange=content::IndexedDBKeyRange",
   "indexed_db.mojom.ObjectStoreMetadata=content::IndexedDBObjectStoreMetadata",
+  "indexed_db.mojom.PutMode=blink::WebIDBPutMode",
+  "indexed_db.mojom.TaskType=blink::WebIDBTaskType",
+  "indexed_db.mojom.TransactionMode=blink::WebIDBTransactionMode",
 ]