From e7f7100ba6759f30295dbc49f819ebb9c4785298 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Wed, 1 Aug 2018 08:58:59 +0200
Subject: Bug 1335296 - Expand about:support WebGL information

---
 dom/canvas/WebGLContextUtils.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'dom/canvas/WebGLContextUtils.cpp')

diff --git a/dom/canvas/WebGLContextUtils.cpp b/dom/canvas/WebGLContextUtils.cpp
index 9c0d34939..3fd32eb30 100644
--- a/dom/canvas/WebGLContextUtils.cpp
+++ b/dom/canvas/WebGLContextUtils.cpp
@@ -874,4 +874,16 @@ InfoFrom(WebGLTexImageFunc func, WebGLTexDimensions dims)
     }
 }
 
+JS::Value
+StringValue(JSContext* cx, const nsAString& str, ErrorResult& er)
+{
+    JSString* jsStr = JS_NewUCStringCopyN(cx, str.BeginReading(), str.Length());
+    if (!jsStr) {
+        er.Throw(NS_ERROR_OUT_OF_MEMORY);
+        return JS::NullValue();
+    }
+
+    return JS::StringValue(jsStr);
+}
+
 } // namespace mozilla
-- 
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