Add a new SpdyStream::Delegate method to handle trailers

net/spdy/spdy_test_util_common.h

Index: net/spdy/spdy_test_util_common.h
diff --git a/net/spdy/spdy_test_util_common.h b/net/spdy/spdy_test_util_common.h
index ae49bdeabca5981dd53c3e3e14f6da5d348398bc..76e0f71b3beb17cc4d050840524f6491f265f04c 100644
--- a/net/spdy/spdy_test_util_common.h
+++ b/net/spdy/spdy_test_util_common.h
@@ -463,6 +463,10 @@ class SpdyTestUtil {
                                       const char* const extra_headers[],
                                       int extra_header_count);
 
+  SpdyFrame* ConstructSpdyHeaderFrame(int stream_id,
+                                      const char* const headers[],
+                                      int header_count);
+
   // Construct a SPDY syn (HEADERS or SYN_STREAM, depending on protocol
   // version) carrying exactly the given headers and priority.
   SpdyFrame* ConstructSpdySyn(int stream_id,