Add support for speaking SPDY to an HTTPS proxy....

net/spdy/spdy_http_stream.h

Index: net/spdy/spdy_http_stream.h
===================================================================
--- net/spdy/spdy_http_stream.h	(revision 58183)
+++ net/spdy/spdy_http_stream.h	(working copy)
@@ -32,7 +32,7 @@
 class SpdyHttpStream : public SpdyStream::Delegate, public HttpStream {
  public:
   // SpdyHttpStream constructor
-  explicit SpdyHttpStream(SpdySession* spdy_session);
+  SpdyHttpStream(SpdySession* spdy_session, bool direct);
   virtual ~SpdyHttpStream();
 
   SpdyStream* stream() { return stream_.get(); }
@@ -174,6 +174,9 @@
   // scheduled read callback.
   bool more_read_data_pending_;
 
+  // Is this spdy stream direct to the origin server (or to a proxy).
+  bool direct_;
+
   DISALLOW_COPY_AND_ASSIGN(SpdyHttpStream);
 };