Extend the use of IOBuffers to the code underneath...

net/base/socket.h

Index: net/base/socket.h
===================================================================
--- net/base/socket.h	(revision 14682)
+++ net/base/socket.h	(working copy)
@@ -6,6 +6,7 @@
 #define NET_BASE_SOCKET_H_
 
 #include "net/base/completion_callback.h"
+#include "net/base/io_buffer.h"
 
 namespace net {
 
@@ -18,16 +19,22 @@
   // read is returned, or an error is returned upon failure.  Zero is returned
   // to indicate end-of-file.  ERR_IO_PENDING is returned if the operation
   // could not be completed synchronously, in which case the result will be
-  // passed to the callback when available.
-  virtual int Read(char* buf, int buf_len,
+  // passed to the callback when available. If the operation is not completed
+  // immediately, the socket acquires a reference to the provided buffer until
+  // the callback is invoked or the socket is destroyed.
+  virtual int Read(IOBuffer* buf, int buf_len,
                    CompletionCallback* callback) = 0;
 
   // Writes data, up to buf_len bytes, to the socket.  Note: only part of the
   // data may be written!  The number of bytes written is returned, or an error
   // is returned upon failure.  ERR_IO_PENDING is returned if the operation
   // could not be completed synchronously, in which case the result will be
-  // passed to the callback when available.
-  virtual int Write(const char* buf, int buf_len,
+  // passed to the callback when available. If the operation is not completed
+  // immediately, the socket acquires a reference to the provided buffer until
+  // the callback is invoked or the socket is destroyed.
+  // Implementations of this method should not modify the contents of the actual
+  // buffer that is written to the socket.
+  virtual int Write(IOBuffer* buf, int buf_len,
                     CompletionCallback* callback) = 0;
 };