Add data reduction functionality to all platforms.

net/spdy/spdy_session.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_session.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 660 matching lines @@
   } else {
     flow_control_state_ = FLOW_CONTROL_NONE;
   }
 
   buffered_spdy_framer_.reset(
       new BufferedSpdyFramer(NextProtoToSpdyMajorVersion(protocol_),
                              enable_compression_));
   buffered_spdy_framer_->set_visitor(this);
   buffered_spdy_framer_->set_debug_visitor(this);
   UMA_HISTOGRAM_ENUMERATION("Net.SpdyVersion", protocol_, kProtoMaximumVersion);
-#if defined(SPDY_PROXY_AUTH_ORIGIN)
-  UMA_HISTOGRAM_BOOLEAN("Net.SpdySessions_DataReductionProxy",

[Alexei Svitkine (slow), 2014/07/21 20:25:35]

Can you mark this histogram as deprecated in histograms.xml given that it's not
no longer recorded?

[Not at Google. Contact bengr, 2014/07/21 21:45:09]

Done.

-                        host_port_pair().Equals(HostPortPair::FromURL(
-                            GURL(SPDY_PROXY_AUTH_ORIGIN))));
-#endif
 
   net_log_.AddEvent(
       NetLog::TYPE_SPDY_SESSION_INITIALIZED,
       connection_->socket()->NetLog().source().ToEventParametersCallback());
 
   DCHECK_EQ(availability_state_, STATE_AVAILABLE);
   connection_->AddHigherLayeredPool(this);
   if (enable_sending_initial_data_)
     SendInitialData();
   pool_ = pool;
@@ skipping 2463 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net