SPDY: WriteHeaders should not invoke OnDataSent callback

net/spdy/spdy_stream_spdy2_unittest.cc

Index: net/spdy/spdy_stream_spdy2_unittest.cc
diff --git a/net/spdy/spdy_stream_spdy2_unittest.cc b/net/spdy/spdy_stream_spdy2_unittest.cc
index 8055fd835fcf868e34e3c3ce049d2325f295ca1e..37bc3920e76874b4301952aa914a6a5f5854cf2e 100644
--- a/net/spdy/spdy_stream_spdy2_unittest.cc
+++ b/net/spdy/spdy_stream_spdy2_unittest.cc
@@ -266,10 +266,9 @@ TEST_F(SpdyStreamSpdy2Test, SendHeaderAndDataAfterOpen) {
 
   EXPECT_TRUE(delegate->send_headers_completed());
   EXPECT_EQ("101", (*delegate->response())["status"]);
+  EXPECT_EQ(1, delegate->headers_sent());
   EXPECT_EQ(std::string(), delegate->received_data());
-  // TODO(toyoshim): OnDataSent should be invoked when each data frame is sent.
-  // But current implementation invokes also when each HEADERS frame is sent.
-  //EXPECT_EQ(6, delegate->data_sent());
+  EXPECT_EQ(6, delegate->data_sent());
 }
 
 TEST_F(SpdyStreamSpdy2Test, PushedStream) {