diff -r 000000000000 -r 6474c204b198 gfx/angle/src/libGLESv2/Fence.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/libGLESv2/Fence.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+//
+// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Fence.h: Defines the gl::Fence class, which supports the GL_NV_fence extension.
+
+#ifndef LIBGLESV2_FENCE_H_
+#define LIBGLESV2_FENCE_H_
+
+#include "common/angleutils.h"
+
+namespace rx
+{
+class Renderer;
+class FenceImpl;
+}
+
+namespace gl
+{
+
+class Fence
+{
+  public:
+    explicit Fence(rx::Renderer *renderer);
+    virtual ~Fence();
+
+    GLboolean isFence();
+    void setFence(GLenum condition);
+    GLboolean testFence();
+    void finishFence();
+    void getFenceiv(GLenum pname, GLint *params);
+
+  private:
+    DISALLOW_COPY_AND_ASSIGN(Fence);
+
+    rx::FenceImpl *mFence;
+};
+
+}
+
+#endif   // LIBGLESV2_FENCE_H_