Remove HTTP pipelining support.

chrome/installer/util/browser_distribution.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.
 //
 // This file defines a class that contains various method related to branding.
 // It provides only default implementations of these methods. Usually to add
 // specific branding, we will need to extend this class with a custom
 // implementation.
 
 #include "chrome/installer/util/browser_distribution.h"
@@ skipping 218 matching lines @@
 }
 
 base::string16 BrowserDistribution::GetStateMediumKey() {
   return L"Software\\Chromium";
 }
 
 std::string BrowserDistribution::GetNetworkStatsServer() const {
   return "";
 }
 
-std::string BrowserDistribution::GetHttpPipeliningTestServer() const {
-  return "";
-}
-
 base::string16 BrowserDistribution::GetDistributionData(HKEY root_key) {
   return L"";
 }
 
 base::string16 BrowserDistribution::GetUninstallLinkName() {
   return L"Uninstall Chromium";
 }
 
 base::string16 BrowserDistribution::GetUninstallRegPath() {
   return L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Chromium";
@@ skipping 32 matching lines @@
     installer::InstallStatus install_status) {
 }
 
 bool BrowserDistribution::ShouldSetExperimentLabels() {
   return false;
 }
 
 bool BrowserDistribution::HasUserExperiments() {
   return false;
 }