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diff --git a/webrtc/common_video/include/i420_buffer_pool.h b/webrtc/common_video/include/i420_buffer_pool.h
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+++ b/webrtc/common_video/include/i420_buffer_pool.h
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+/*
+ *  Copyright (c) 2015 The WebRTC 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 in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_COMMON_VIDEO_INCLUDE_I420_BUFFER_POOL_H_
+#define WEBRTC_COMMON_VIDEO_INCLUDE_I420_BUFFER_POOL_H_
+
+#include <list>
+
+#include "webrtc/base/thread_checker.h"
+#include "webrtc/common_video/include/video_frame_buffer.h"
+
+namespace webrtc {
+
+// Simple buffer pool to avoid unnecessary allocations of I420Buffer objects.
+// The pool manages the memory of the I420Buffer returned from CreateBuffer.
+// When the I420Buffer is destructed, the memory is returned to the pool for use
+// by subsequent calls to CreateBuffer. If the resolution passed to CreateBuffer
+// changes, old buffers will be purged from the pool.
+class I420BufferPool {
+ public:
+  I420BufferPool();
+  // Returns a buffer from the pool, or creates a new buffer if no suitable
+  // buffer exists in the pool.
+  rtc::scoped_refptr<VideoFrameBuffer> CreateBuffer(int width, int height);
+  // Clears buffers_ and detaches the thread checker so that it can be reused
+  // later from another thread.
+  void Release();
+
+ private:
+  rtc::ThreadChecker thread_checker_;
+  std::list<rtc::scoped_refptr<I420Buffer>> buffers_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_COMMON_VIDEO_INCLUDE_I420_BUFFER_POOL_H_