Remove HTTP pipelining support.

chrome/installer/util/google_chrome_distribution.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.
 //
 // This file extends generic BrowserDistribution class to declare Google Chrome
 // specific implementation.
 
 #ifndef CHROME_INSTALLER_UTIL_GOOGLE_CHROME_DISTRIBUTION_H_
 #define CHROME_INSTALLER_UTIL_GOOGLE_CHROME_DISTRIBUTION_H_
 
@@ skipping 46 matching lines @@
   virtual base::string16 GetAppDescription() OVERRIDE;
 
   virtual std::string GetSafeBrowsingName() OVERRIDE;
 
   virtual base::string16 GetStateKey() OVERRIDE;
 
   virtual base::string16 GetStateMediumKey() OVERRIDE;
 
   virtual std::string GetNetworkStatsServer() const OVERRIDE;
 
-  virtual std::string GetHttpPipeliningTestServer() const OVERRIDE;
-
   // This method reads data from the Google Update ClientState key for
   // potential use in the uninstall survey. It must be called before the
   // key returned by GetVersionKey() is deleted.
   virtual base::string16 GetDistributionData(HKEY root_key) OVERRIDE;
 
   virtual base::string16 GetUninstallLinkName() OVERRIDE;
 
   virtual base::string16 GetUninstallRegPath() OVERRIDE;
 
   virtual base::string16 GetVersionKey() OVERRIDE;
@@ skipping 21 matching lines @@
   GoogleChromeDistribution();
 
  private:
   friend class BrowserDistribution;
 
   // The product ID for Google Update.
   base::string16 product_guid_;
 };
 
 #endif  // CHROME_INSTALLER_UTIL_GOOGLE_CHROME_DISTRIBUTION_H_