[SPDY] Replace SpdyIOBuffer with new SpdyBuffer class

net/spdy/spdy_buffer_producer.cc

Index: net/spdy/spdy_buffer_producer.cc
diff --git a/net/spdy/spdy_buffer_producer.cc b/net/spdy/spdy_buffer_producer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3a9598c859f155eec01c6b927b41d9857e87d244
--- /dev/null
+++ b/net/spdy/spdy_buffer_producer.cc
@@ -0,0 +1,27 @@
+// Copyright (c) 2013 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.
+
+#include "net/spdy/spdy_buffer_producer.h"
+
+#include "base/logging.h"
+#include "net/spdy/spdy_buffer.h"
+#include "net/spdy/spdy_protocol.h"
+
+namespace net {
+
+SpdyBufferProducer::SpdyBufferProducer() {}
+
+SpdyBufferProducer::~SpdyBufferProducer() {}
+
+SimpleBufferProducer::SimpleBufferProducer(scoped_ptr<SpdyBuffer> buffer)
+    : buffer_(buffer.Pass()) {}
+
+SimpleBufferProducer::~SimpleBufferProducer() {}
+
+scoped_ptr<SpdyBuffer> SimpleBufferProducer::ProduceBuffer() {
+  DCHECK(buffer_);
+  return buffer_.Pass();
+}
+
+}  // namespace net