Add a new SpdyStream::Delegate method to handle trailers

net/spdy/spdy_test_util_common.cc

Index: net/spdy/spdy_test_util_common.cc
diff --git a/net/spdy/spdy_test_util_common.cc b/net/spdy/spdy_test_util_common.cc
index 0d3e6b216083a35ac6cb1ff092c2650340b68666..a7faa3a5c76364b7faec85036843855b6589434d 100644
--- a/net/spdy/spdy_test_util_common.cc
+++ b/net/spdy/spdy_test_util_common.cc
@@ -1105,6 +1105,15 @@ SpdyFrame* SpdyTestUtil::ConstructSpdyPushHeaders(
   return CreateFramer(false)->SerializeFrame(headers);
 }
 
+SpdyFrame* SpdyTestUtil::ConstructSpdyHeaderFrame(int stream_id,
+                                                  const char* const headers[],
+                                                  int header_count) {
+  SpdyHeadersIR spdy_headers(stream_id);
+  AppendToHeaderBlock(headers, header_count,
+                      spdy_headers.mutable_header_block());
+  return CreateFramer(false)->SerializeFrame(spdy_headers);
+}
+
 SpdyFrame* SpdyTestUtil::ConstructSpdySyn(int stream_id,
                                           const SpdyHeaderBlock& block,
                                           RequestPriority priority,