http2: Update priorities of pushed streams

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 8f5dafb2d836eca0a9c02b7a41981ab7f6608d88..6531d1eaf7b6d42beeaa0263f72b0b29baa21d54 100644
--- a/net/spdy/spdy_test_util_common.h
+++ b/net/spdy/spdy_test_util_common.h
@@ -337,6 +337,13 @@ class SpdyTestUtil {
   SpdySerializedFrame ConstructSpdyRstStream(SpdyStreamId stream_id,
                                              SpdyRstStreamStatus status);
 
+  // Construct a PRIORITY frame. The weight is derived from |request_priority|.
+  // Returns the constructed frame.  The caller takes ownership of the frame.
+  SpdySerializedFrame ConstructSpdyPriority(SpdyStreamId stream_id,
+                                            SpdyStreamId parent_stream_id,
+                                            RequestPriority request_priority,
+                                            bool exclusive);
+
   // Constructs a standard SPDY GET HEADERS frame for |url| with header
   // compression.
   // |extra_headers| are the extra header-value pairs, which typically