Added translations for date-picker-new sample

Author: ig-ealbert

HTMLSamples/editors/strings-ja.json

@@ -5,9 +5,9 @@
   "date_config": "日付と時間構成",
   "DatePickers_submited_values": "DatePicker の送信された値",
   "default_config": "デフォルトの構成",
-  "Date_Object":"Date object",
-  "Display_Mode_Text":"Display mode text",
-  "Edit_Mode_Text":"Edit mode text",
+  "Date_Object":"日付オブジェクト",
+  "Display_Mode_Text":"表示モードのテキスト",
+  "Edit_Mode_Text":"編集モードのテキスト",
   "enter_today": "今日の日付の入力",
   "enUS": "英語 (米国)",
   "HTML_Element": "HTML 要素",