Revert of QUIC - instrumentation for testing null QuicSpdyStream.

net/quic/quic_spdy_stream.h

Index: net/quic/quic_spdy_stream.h
diff --git a/net/quic/quic_spdy_stream.h b/net/quic/quic_spdy_stream.h
index ba1adfdd79ea7ca85323abca68b8fcf251a2b885..e7f640e0c88d1f469c9a988c3d3cb049fb301096 100644
--- a/net/quic/quic_spdy_stream.h
+++ b/net/quic/quic_spdy_stream.h
@@ -147,10 +147,6 @@ class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
   // written to the server.
   void SetPriority(SpdyPriority priority);
 
-  // TODO(rtenneti): Temporary until crbug.com/585591 is solved.
-  void CrashIfInvalid() const;
-  void set_read_in_progress(bool value) { read_in_progress_ = value; }
-
  protected:
   // Called by OnStreamHeadersComplete depending on which type (initial or
   // trailing) headers are expected next.
@@ -167,12 +163,6 @@ class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
   friend class test::ReliableQuicStreamPeer;
   friend class QuicStreamUtils;
 
-  // TODO(rtenneti): Temporary until crbug.com/585591 is solved.
-  enum Liveness {
-    ALIVE = 0xCA11AB13,
-    DEAD = 0xDEADBEEF,
-  };
-
   // Returns true if trailers have been fully read and consumed.
   bool FinishedReadingTrailers() const;
 
@@ -193,10 +183,6 @@ class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
   // via ProcessData or Readv.
   std::string decompressed_trailers_;
 
-  // TODO(rtenneti): Temporary until crbug.com/585591 is solved.
-  Liveness liveness_ = ALIVE;
-  bool read_in_progress_ = false;
-
   DISALLOW_COPY_AND_ASSIGN(QuicSpdyStream);
 };