Remove the force_session cookie option, as it's not used anymore

net/url_request/url_request_test_util.h

 // 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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
 #define NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
 #pragma once
 
 #include <stdlib.h>
 
@@ skipping 170 matching lines @@
   scoped_refptr<net::IOBuffer> buf_;
 };
 
 //-----------------------------------------------------------------------------
 
 class TestNetworkDelegate : public net::NetworkDelegate {
  public:
   enum Options {
     NO_GET_COOKIES = 1 << 0,
     NO_SET_COOKIE  = 1 << 1,
-    FORCE_SESSION  = 1 << 2,
   };
 
   TestNetworkDelegate();
   virtual ~TestNetworkDelegate();
 
   void set_cookie_options(int o) {cookie_options_bit_mask_ = o; }
 
   int last_error() const { return last_error_; }
   int error_count() const { return error_count_; }
   int created_requests() const { return created_requests_; }
@@ skipping 88 matching lines @@
 
  private:
   static std::string value_;
   const std::string old_value_;
   const std::string new_value_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedCustomUrlRequestTestHttpHost);
 };
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_