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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shaders-with-missing-varyings.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shaders-with-missing-varyings.html
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+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shaders-with-missing-varyings.html
@@ -0,0 +1,95 @@
+<!--
+
+/*
+** Copyright (c) 2012 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL GLSL Conformance Tests</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"></script>
+<script src="../../../js/glsl-conformance-test.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vertexShader" type="text/something-not-javascript">
+// GLSL 1.0.17 4.3.5
+void main()
+{
+    gl_Position = vec4(0,0,0,0);
+}
+</script>
+<script id="fragmentShader" type="text/something-not-javascript">
+// GLSL 1.0.17 4.3.5
+precision mediump float;
+
+varying $(type) v_varying;
+
+void main()
+{
+    gl_FragColor = $(code);
+}
+</script>
+<script>
+"use strict";
+var wtu = WebGLTestUtils;
+var varyingTypes = [
+  { type: "float",  code: "vec4(v_varying, 0, 0, 0)", },
+  { type: "vec2",  code: "vec4(v_varying, 0, 0)", },
+  { type: "vec3",  code: "vec4(v_varying, 0)", },
+  { type: "vec4",  code: "vec4(v_varying)", },
+  { type: "mat2",  code: "vec4(v_varying[0][0], 0, 0, 0)", },
+  { type: "mat3",  code: "vec4(v_varying[0][0], 0, 0, 0)", },
+  { type: "mat4",  code: "vec4(v_varying[0][0], 0, 0, 0)", },
+];
+var vSource = wtu.getScript("vertexShader");
+var fSource = wtu.getScript("fragmentShader");
+var tests = [];
+for (var ii = 0; ii < varyingTypes.length; ++ii) {
+  var u1 = varyingTypes[ii];
+  var vs = wtu.replaceParams(vSource, u1);
+  for (var jj = ii + 1; jj < varyingTypes.length; ++jj) {
+    var u2 = varyingTypes[jj];
+    var fs = wtu.replaceParams(fSource, u2);
+    tests.push({
+      vShaderSource: vs,
+      vShaderSuccess: true,
+      fShaderSource: fs,
+      fShaderSuccess: true,
+      linkSuccess: false,
+      passMsg: "vertex shader no varyings and fragment shader with varying " + u2.type + " should fail to link",
+    });
+  }
+}
+GLSLConformanceTester.runTests(tests);
+var successfullyParsed = true;
+</script>
+</body>
+</html>