[SPDY] Replace SpdyIOBuffer with new SpdyBuffer class

net/spdy/spdy_websocket_stream_spdy2_unittest.cc

Index: net/spdy/spdy_websocket_stream_spdy2_unittest.cc
diff --git a/net/spdy/spdy_websocket_stream_spdy2_unittest.cc b/net/spdy/spdy_websocket_stream_spdy2_unittest.cc
index b9b8ce34237b41fb4c6e6a01a2d8aecf2fb7873d..695359f56afd87e7a4162da35494f0e156f29c56 100644
--- a/net/spdy/spdy_websocket_stream_spdy2_unittest.cc
+++ b/net/spdy/spdy_websocket_stream_spdy2_unittest.cc
@@ -116,13 +116,19 @@ class SpdyWebSocketStreamEventRecorder : public SpdyWebSocketStream::Delegate {
     if (!on_sent_data_.is_null())
       on_sent_data_.Run(&events_.back());
   }
-  virtual void OnReceivedSpdyData(const char* data, int length) OVERRIDE {
+  virtual void OnReceivedSpdyData(scoped_ptr<SpdyBuffer> buffer) OVERRIDE {
+    std::string buffer_data;
+    size_t buffer_len = 0;
+    if (buffer) {
+      buffer_len = buffer->GetRemainingSize();
+      buffer_data.append(buffer->GetRemainingData(), buffer_len);
+    }
     events_.push_back(
         SpdyWebSocketStreamEvent(
             SpdyWebSocketStreamEvent::EVENT_RECEIVED_DATA,
             SpdyHeaderBlock(),
-            length,
-            std::string(data, length)));
+            buffer_len,
+            buffer_data));
     if (!on_received_data_.is_null())
       on_received_data_.Run(&events_.back());
   }