Fixup the flip buffer to use a regular IOBuffer...

net/flip/flip_session.h

Index: net/flip/flip_session.h
===================================================================
--- net/flip/flip_session.h	(revision 26596)
+++ net/flip/flip_session.h	(working copy)
@@ -180,8 +180,7 @@
 
   // The read buffer used to read data from the socket.
   enum { kReadBufferSize = (4 * 1024) };
-  scoped_refptr<net::MovableIOBuffer> read_buffer_;
-  int read_buffer_bytes_read_;  // bytes left in the buffer from prior read.
+  scoped_refptr<IOBuffer> read_buffer_;
   bool read_pending_;
 
   int stream_hi_water_mark_;  // The next stream id to use.