Fork SPDY/2 and SPDY/3 versions of our SPDY tests, in preparation for landing

net/spdy/spdy_websocket_test_util_spdy3.h

Index: net/spdy/spdy_websocket_test_util_spdy3.h
===================================================================
--- net/spdy/spdy_websocket_test_util_spdy3.h	(revision 124690)
+++ net/spdy/spdy_websocket_test_util_spdy3.h	(working copy)
@@ -11,6 +11,8 @@
 
 namespace net {
 
+namespace test_spdy3 {
+
 // Construct a WebSocket over SPDY handshake request packet.
 spdy::SpdyFrame* ConstructSpdyWebSocketHandshakeRequestFrame(
     const char* const headers[],
@@ -32,6 +34,8 @@
     spdy::SpdyStreamId stream_id,
     bool fin);
 
+}  // namespace test_spdy3
+
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_WEBSOCKET_TEST_UTIL_H_