Clean up a few unused globals.

net/proxy/proxy_service.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/proxy/proxy_service.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 34 matching lines @@
 #include "net/proxy/proxy_config_service_android.h"
 #endif
 
 using base::TimeDelta;
 using base::TimeTicks;
 
 namespace net {
 
 namespace {
 
-const size_t kMaxNumNetLogEntries = 100;
-
 // When the IP address changes we don't immediately re-run proxy auto-config.
 // Instead, we  wait for |kDelayAfterNetworkChangesMs| before
 // attempting to re-valuate proxy auto-config.
 //
 // During this time window, any resolve requests sent to the ProxyService will
 // be queued. Once we have waited the required amount of them, the proxy
 // auto-config step will be run, and the queued requests resumed.
 //
 // The reason we play this game is that our signal for detecting network
 // changes (NetworkChangeNotifier) may fire *before* the system's networking
@@ skipping 1500 matching lines @@
     OnCompletion(result_);
   }
 }
 
 void SyncProxyServiceHelper::OnCompletion(int rv) {
   result_ = rv;
   event_.Signal();
 }
 
 }  // namespace net