Update from https://crrev.com/305340

net/url_request/url_request_context_builder.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/url_request/url_request_context_builder.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 104 matching lines @@
                        const base::FilePath& path) const override {
     return true;
   }
 
   bool OnCanThrottleRequest(const URLRequest& request) const override {
     // Returning true will only enable throttling if there's also a
     // URLRequestThrottlerManager, which there isn't, by default.
     return true;
   }
 
-  int OnBeforeSocketStreamConnect(SocketStream* stream,
-                                  const CompletionCallback& callback) override {
-    return OK;
-  }
-
   DISALLOW_COPY_AND_ASSIGN(BasicNetworkDelegate);
 };
 
 class BasicURLRequestContext : public URLRequestContext {
  public:
   BasicURLRequestContext()
       : storage_(this) {}
 
   URLRequestContextStorage* storage() {
     return &storage_;
@@ skipping 266 matching lines @@
 #endif  // !defined(DISABLE_FTP_SUPPORT)
 
   storage->set_job_factory(job_factory);
 
   // TODO(willchan): Support sdch.
 
   return context;
 }
 
 }  // namespace net