diff -r 000000000000 -r 6474c204b198 gfx/angle/src/libGLESv2/HandleAllocator.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/libGLESv2/HandleAllocator.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+//
+// Copyright (c) 2002-2011 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.
+//
+
+// HandleAllocator.h: Defines the gl::HandleAllocator class, which is used to
+// allocate GL handles.
+
+#ifndef LIBGLESV2_HANDLEALLOCATOR_H_
+#define LIBGLESV2_HANDLEALLOCATOR_H_
+
+#define GL_APICALL
+#include <GLES2/gl2.h>
+
+#include <vector>
+
+#include "common/angleutils.h"
+
+namespace gl
+{
+
+class HandleAllocator
+{
+  public:
+    HandleAllocator();
+    virtual ~HandleAllocator();
+
+    void setBaseHandle(GLuint value);
+
+    GLuint allocate();
+    void release(GLuint handle);
+
+  private:
+    DISALLOW_COPY_AND_ASSIGN(HandleAllocator);
+
+    GLuint mBaseValue;
+    GLuint mNextValue;
+    typedef std::vector<GLuint> HandleList;
+    HandleList mFreeValues;
+};
+
+}
+
+#endif   // LIBGLESV2_HANDLEALLOCATOR_H_