[SPDY] Replace SpdyIOBuffer with new SpdyBuffer class

net/spdy/spdy_http_stream.h

Index: net/spdy/spdy_http_stream.h
diff --git a/net/spdy/spdy_http_stream.h b/net/spdy/spdy_http_stream.h
index 226d01ca2574fa9d4d8910ddfb58fe81e8e56e1a..2af82f0f18e252af7b8044a1233914640a252dfb 100644
--- a/net/spdy/spdy_http_stream.h
+++ b/net/spdy/spdy_http_stream.h
@@ -13,6 +13,7 @@
 #include "net/base/completion_callback.h"
 #include "net/base/net_log.h"
 #include "net/http/http_stream.h"
+#include "net/spdy/spdy_read_queue.h"
 #include "net/spdy/spdy_stream.h"
 
 namespace net {
@@ -89,7 +90,7 @@ class NET_EXPORT_PRIVATE SpdyHttpStream : public SpdyStream::Delegate,
                                  base::Time response_time,
                                  int status) OVERRIDE;
   virtual void OnHeadersSent() OVERRIDE;
-  virtual int OnDataReceived(const char* buffer, int bytes) OVERRIDE;
+  virtual int OnDataReceived(scoped_ptr<SpdyBuffer> buffer) OVERRIDE;
   virtual void OnDataSent(size_t bytes_sent) OVERRIDE;
   virtual void OnClose(int status) OVERRIDE;
 
@@ -139,8 +140,7 @@ class NET_EXPORT_PRIVATE SpdyHttpStream : public SpdyStream::Delegate,
   bool response_headers_received_;  // Indicates waiting for more HEADERS.
 
   // We buffer the response body as it arrives asynchronously from the stream.
-  // TODO(mbelshe):  is this infinite buffering?
-  std::list<scoped_refptr<IOBufferWithSize> > response_body_;
+  SpdyReadQueue response_body_queue_;
 
   CompletionCallback callback_;