diff -r 000000000000 -r 6474c204b198 content/canvas/src/WebGLActiveInfo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/canvas/src/WebGLActiveInfo.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef WEBGLACTIVEINFO_H_
+#define WEBGLACTIVEINFO_H_
+
+#include "WebGLObjectModel.h"
+#include "nsString.h"
+#include "js/TypeDecls.h"
+
+namespace mozilla {
+
+class WebGLActiveInfo MOZ_FINAL
+{
+public:
+    WebGLActiveInfo(GLint size, GLenum type, const nsACString& name) :
+        mSize(size),
+        mType(type),
+        mName(NS_ConvertASCIItoUTF16(name))
+    {}
+
+    // WebIDL attributes
+
+    GLint Size() const {
+        return mSize;
+    }
+
+    GLenum Type() const {
+        return mType;
+    }
+
+    void GetName(nsString& retval) const {
+        retval = mName;
+    }
+
+    JSObject* WrapObject(JSContext *cx);
+
+   NS_INLINE_DECL_REFCOUNTING(WebGLActiveInfo)
+
+private:
+    // Private destructor, to discourage deletion outside of Release():
+    ~WebGLActiveInfo()
+    {
+    }
+
+    GLint mSize;
+    GLenum mType;
+    nsString mName;
+};
+
+} // namespace mozilla
+
+#endif