Change URLRequest to use a ref-counted buffer for actual IO.

This will re-land http://codereview.chromium.org/18390

BUG=5325

Review URL: http://codereview.chromium.org/19004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8847 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 32 insertions, 0 deletions

diff --git a/net/base/io_buffer.h b/net/base/io_buffer.h
new file mode 100644
index 0000000..b390103
--- /dev/null
+++ b/net/base/io_buffer.h
@@ -0,0 +1,32 @@
+// Copyright (c) 2009 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 NET_BASE_IO_BUFFER_H_
+#define NET_BASE_IO_BUFFER_H_
+
+#include "base/ref_counted.h"
+
+namespace net {
+
+// This is a simple wrapper around a buffer that provides ref counting for
+// easier asynchronous IO handling.
+class IOBuffer : public base::RefCountedThreadSafe<IOBuffer> {
+ public:
+  explicit IOBuffer(int buffer_size) {
+    data_ = new char[buffer_size];
+  }
+  explicit IOBuffer(char* buffer) : data_(buffer) {}
+  virtual ~IOBuffer() {
+    delete[] data_;
+  }
+
+  char* data() { return data_; }
+
+ protected:
+  char* data_;
+};
+
+}  // namespace net
+
+#endif  // NET_BASE_IO_BUFFER_H_