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diff --git a/gfx/angle/checkout/src/compiler/translator/PoolAlloc.h b/gfx/angle/checkout/src/compiler/translator/PoolAlloc.h
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+++ b/gfx/angle/checkout/src/compiler/translator/PoolAlloc.h
@@ -0,0 +1,102 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+
+#ifndef COMPILER_TRANSLATOR_POOLALLOC_H_
+#define COMPILER_TRANSLATOR_POOLALLOC_H_
+
+//
+// This header defines the pool_allocator class that allows STL containers
+// to use the angle::PoolAllocator class by using the pool_allocator
+// class as the allocator (second) template argument.
+//
+// It also defines functions for managing the GlobalPoolAllocator used by the compiler.
+//
+
+#include <stddef.h>
+#include <string.h>
+#include <vector>
+
+#include "common/PoolAlloc.h"
+
+//
+// There could potentially be many pools with pops happening at
+// different times.  But a simple use is to have a global pop
+// with everyone using the same global allocator.
+//
+extern angle::PoolAllocator *GetGlobalPoolAllocator();
+extern void SetGlobalPoolAllocator(angle::PoolAllocator *poolAllocator);
+
+//
+// This STL compatible allocator is intended to be used as the allocator
+// parameter to templatized STL containers, like vector and map.
+//
+// It will use the pools for allocation, and not
+// do any deallocation, but will still do destruction.
+//
+template <class T>
+class pool_allocator
+{
+  public:
+    typedef size_t size_type;
+    typedef ptrdiff_t difference_type;
+    typedef T *pointer;
+    typedef const T *const_pointer;
+    typedef T &reference;
+    typedef const T &const_reference;
+    typedef T value_type;
+
+    template <class Other>
+    struct rebind
+    {
+        typedef pool_allocator<Other> other;
+    };
+    pointer address(reference x) const { return &x; }
+    const_pointer address(const_reference x) const { return &x; }
+
+    pool_allocator() {}
+
+    template <class Other>
+    pool_allocator(const pool_allocator<Other> &p)
+    {}
+
+    template <class Other>
+    pool_allocator<T> &operator=(const pool_allocator<Other> &p)
+    {
+        return *this;
+    }
+
+#if defined(__SUNPRO_CC) && !defined(_RWSTD_ALLOCATOR)
+    // libCStd on some platforms have a different allocate/deallocate interface.
+    // Caller pre-bakes sizeof(T) into 'n' which is the number of bytes to be
+    // allocated, not the number of elements.
+    void *allocate(size_type n) { return getAllocator().allocate(n); }
+    void *allocate(size_type n, const void *) { return getAllocator().allocate(n); }
+    void deallocate(void *, size_type) {}
+#else
+    pointer allocate(size_type n)
+    {
+        return static_cast<pointer>(getAllocator().allocate(n * sizeof(T)));
+    }
+    pointer allocate(size_type n, const void *)
+    {
+        return static_cast<pointer>(getAllocator().allocate(n * sizeof(T)));
+    }
+    void deallocate(pointer, size_type) {}
+#endif  // _RWSTD_ALLOCATOR
+
+    void construct(pointer p, const T &val) { new ((void *)p) T(val); }
+    void destroy(pointer p) { p->T::~T(); }
+
+    bool operator==(const pool_allocator &rhs) const { return true; }
+    bool operator!=(const pool_allocator &rhs) const { return false; }
+
+    size_type max_size() const { return static_cast<size_type>(-1) / sizeof(T); }
+    size_type max_size(int size) const { return static_cast<size_type>(-1) / size; }
+
+    angle::PoolAllocator &getAllocator() const { return *GetGlobalPoolAllocator(); }
+};
+
+#endif  // COMPILER_TRANSLATOR_POOLALLOC_H_