Don't send and store any cookies.

cloud_print/service/service_state.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 "cloud_print/service/service_state.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/escape.h"
 #include "net/base/io_buffer.h"
+#include "net/base/load_flags.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 
 namespace {
 
 const char kCloudPrintJsonName[] = "cloud_print";
 const char kEnabledOptionName[] = "enabled";
 
 const char kEmailOptionName[] = "email";
@@ skipping 140 matching lines @@
   GURL url(kClientLoginUrl);
 
   std::string post_body;
   post_body += "accountType=GOOGLE";
   post_body += "&Email=" + net::EscapeUrlEncodedData(email, true);
   post_body += "&Passwd=" + net::EscapeUrlEncodedData(password, true);
   post_body += "&source=" + net::EscapeUrlEncodedData("CP-Service", true);
   post_body += "&service=" + net::EscapeUrlEncodedData(service, true);
 
   net::URLRequest request(url, &fetcher_delegate, context.get());
+  int load_flags = request.load_flags();
+  load_flags = load_flags | net::LOAD_DO_NOT_SEND_COOKIES;
+  load_flags = load_flags | net::LOAD_DO_NOT_SAVE_COOKIES;
+  request.set_load_flags(load_flags);
 
   request.AppendBytesToUpload(post_body.c_str(), post_body.size());
   request.SetExtraRequestHeaderByName(
       "Content-Type", "application/x-www-form-urlencoded", true);
   request.set_method("POST");
   request.Start();
 
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
       MessageLoop::QuitClosure(),
       base::TimeDelta::FromMilliseconds(kRequestTimeoutMs));
@@ skipping 16 matching lines @@
                              const std::string& password,
                              const std::string& proxy_id) {
   robot_token_.clear();
   robot_email_.clear();
   email_ = email;
   proxy_id_ = proxy_id;
   auth_token_ = LoginToGoogle("cloudprint", email_, password);
   xmpp_auth_token_ = LoginToGoogle("chromiumsync", email_, password);
   return IsValid();
 }