From e7de8e53b7e543768f4d33dff950fcd2942184ef Mon Sep 17 00:00:00 2001
From: yaoyao <yaoyao12306@163.com>
Date: Tue, 12 Jan 2016 15:10:37 +0800
Subject: [PATCH] To fix #4550

---
 baselines/dom.generated.d.ts | 1 +
 inputfiles/addedTypes.json   | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index fb4a7f097..75bca7f94 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -3770,6 +3770,7 @@ interface HTMLCanvasElement extends HTMLElement {
       * @param type The standard MIME type for the image format to return. If you do not specify this parameter, the default value is a PNG format image.
       */
     toDataURL(type?: string, ...args: any[]): string;
+    toBlob(): Blob;
 }
 
 declare var HTMLCanvasElement: {
diff --git a/inputfiles/addedTypes.json b/inputfiles/addedTypes.json
index c49d24437..a3c8dffac 100644
--- a/inputfiles/addedTypes.json
+++ b/inputfiles/addedTypes.json
@@ -302,5 +302,11 @@
         "interface": "HTMLSelectElement",
         "name": "selectedOptions",
         "type": "HTMLCollection"
+    },
+    {
+        "kind": "method",
+        "interface": "HTMLCanvasElement",
+        "name": "toBlob",
+        "signatures": ["toBlob(): Blob"]
     }
 ]