Revert of Test dead code.

net/spdy/spdy_protocol.cc

Index: net/spdy/spdy_protocol.cc
diff --git a/net/spdy/spdy_protocol.cc b/net/spdy/spdy_protocol.cc
index 9f311d6b63e500f5c3cc9b2dd9665f5c6ce4c2c6..3993c0125ccb5bb66aaf1e7903f797f31114c190 100644
--- a/net/spdy/spdy_protocol.cc
+++ b/net/spdy/spdy_protocol.cc
@@ -852,6 +852,20 @@
   return visitor->VisitAltSvc(*this);
 }
 
+SpdyPriorityIR::SpdyPriorityIR(SpdyStreamId stream_id)
+    : SpdyFrameWithStreamIdIR(stream_id) {
+}
+
+SpdyPriorityIR::SpdyPriorityIR(SpdyStreamId stream_id,
+                               SpdyStreamId parent_stream_id,
+                               uint8 weight,
+                               bool exclusive)
+    : SpdyFrameWithStreamIdIR(stream_id),
+      parent_stream_id_(parent_stream_id),
+      weight_(weight),
+      exclusive_(exclusive) {
+}
+
 void SpdyPriorityIR::Visit(SpdyFrameVisitor* visitor) const {
   return visitor->VisitPriority(*this);
 }