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diff --git a/ipc/chromium/src/base/scoped_nsautorelease_pool.h b/ipc/chromium/src/base/scoped_nsautorelease_pool.h
new file mode 100644
index 0000000000..37d173b028
--- /dev/null
+++ b/ipc/chromium/src/base/scoped_nsautorelease_pool.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+// Copyright (c) 2008 The Chromium 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 BASE_SCOPED_NSAUTORELEASE_POOL_H_
+#define BASE_SCOPED_NSAUTORELEASE_POOL_H_
+
+#include "base/basictypes.h"
+
+#if defined(XP_DARWIN)
+#  if defined(__OBJC__)
+@class NSAutoreleasePool;
+#  else   // __OBJC__
+class NSAutoreleasePool;
+#  endif  // __OBJC__
+#endif    // XP_DARWIN
+
+namespace base {
+
+// On the Mac, ScopedNSAutoreleasePool allocates an NSAutoreleasePool when
+// instantiated and sends it a -drain message when destroyed.  This allows an
+// autorelease pool to be maintained in ordinary C++ code without bringing in
+// any direct Objective-C dependency.
+//
+// On other platforms, ScopedNSAutoreleasePool is an empty object with no
+// effects.  This allows it to be used directly in cross-platform code without
+// ugly #ifdefs.
+class ScopedNSAutoreleasePool {
+ public:
+#if !defined(XP_DARWIN)
+  ScopedNSAutoreleasePool() {}
+  void Recycle() {}
+#else   // XP_DARWIN
+  ScopedNSAutoreleasePool();
+  ~ScopedNSAutoreleasePool();
+
+  // Clear out the pool in case its position on the stack causes it to be
+  // alive for long periods of time (such as the entire length of the app).
+  // Only use then when you're certain the items currently in the pool are
+  // no longer needed.
+  void Recycle();
+
+ private:
+  NSAutoreleasePool* autorelease_pool_;
+#endif  // XP_DARWIN
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ScopedNSAutoreleasePool);
+};
+
+}  // namespace base
+
+#endif  // BASE_SCOPED_NSAUTORELEASE_POOL_H_