mac: Prepare for -Wunused-functions.

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 92 matching lines @@
     bool fin,
     SpdyStreamId stream_id,
     NetLog::LogLevel /* log_level */) {
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->Set("headers", SpdyHeaderBlockToListValue(*headers).release());
   dict->SetBoolean("fin", fin);
   dict->SetInteger("stream_id", stream_id);
   return dict;
 }
 
-base::Value* NetLogSpdyCredentialCallback(size_t slot,
-                                          const std::string* origin,
-                                          NetLog::LogLevel /* log_level */) {
-  base::DictionaryValue* dict = new base::DictionaryValue();
-  dict->SetInteger("slot", slot);
-  dict->SetString("origin", *origin);
-  return dict;
-}
-
 base::Value* NetLogSpdySessionCloseCallback(int net_error,
                                             const std::string* description,
                                             NetLog::LogLevel /* log_level */) {
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetInteger("net_error", net_error);
   dict->SetString("description", *description);
   return dict;
 }
 
 base::Value* NetLogSpdySessionCallback(const HostPortProxyPair* host_pair,
@@ skipping 2783 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net