Update from https://crrev.com/305340

net/proxy/network_delegate_error_observer_unittest.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/network_delegate_error_observer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/threading/thread.h"
@@ skipping 59 matching lines @@
                       CookieOptions* options) override {
     return true;
   }
   bool OnCanAccessFile(const net::URLRequest& request,
                        const base::FilePath& path) const override {
     return true;
   }
   bool OnCanThrottleRequest(const URLRequest& request) const override {
     return false;
   }
-  int OnBeforeSocketStreamConnect(SocketStream* stream,
-                                  const CompletionCallback& callback) override {
-    return OK;
-  }
 
   bool got_pac_error_;
 };
 
 }  // namespace
 
 // Check that the OnPACScriptError method can be called from an arbitrary
 // thread.
 TEST(NetworkDelegateErrorObserverTest, CallOnThread) {
   base::Thread thread("test_thread");
@@ skipping 23 matching lines @@
                  base::Bind(&NetworkDelegateErrorObserver::OnPACScriptError,
                             base::Unretained(&observer),
                             42,
                             base::string16()));
   thread.Stop();
   base::MessageLoop::current()->RunUntilIdle();
   // Shouldn't have crashed until here...
 }
 
 }  // namespace net