Cleanup: remove BlockedWriterInterface from QuicPacketWriter.

net/quic/quic_client_session_test.cc

Index: net/quic/quic_client_session_test.cc
diff --git a/net/quic/quic_client_session_test.cc b/net/quic/quic_client_session_test.cc
index 8dd50413771a435ae4d00b8ffa7323ea8688f219..5e0ea536d705e0319f946fb58a606b9f649dbe11 100644
--- a/net/quic/quic_client_session_test.cc
+++ b/net/quic/quic_client_session_test.cc
@@ -37,8 +37,7 @@ class TestPacketWriter : public QuicDefaultPacketWriter {
   virtual WriteResult WritePacket(
       const char* buffer, size_t buf_len,
       const IPAddressNumber& self_address,
-      const IPEndPoint& peer_address,
-      QuicBlockedWriterInterface* blocked_writer) OVERRIDE {
+      const IPEndPoint& peer_address) OVERRIDE {
     QuicFramer framer(QuicSupportedVersions(), QuicTime::Zero(), true);
     FramerVisitorCapturingFrames visitor;
     framer.set_visitor(&visitor);