Add a command line switch "--disable-background-networking", to be used in...

chrome/common/chrome_switches.cc

 // Copyright (c) 2010 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 "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 122 matching lines @@
 // TODO(scherkus): remove --disable-audio when we have a proper fallback
 // mechanism.
 const char kDisableAudio[]                  = "disable-audio";
 
 // Disable CNAME lookup of the host when generating the Kerberos SPN for a
 // Negotiate challenge. See HttpAuthHandlerNegotiate::CreateSPN
 // for more background.
 const char kDisableAuthNegotiateCnameLookup[] =
     "disable-auth-negotiate-cname-lookup";
 
+// Disable several subsystems which run network requests in the background.
+// This is for use when doing network performance testing to avoid noise
+// in the measurements.
+const char kDisableBackgroundNetworking[] = "disable-background-networking";
+
 // Disable limits on the number of backing stores. Can prevent blinking for
 // users with many windows/tabs and lots of memory.
 const char kDisableBackingStoreLimit[]      = "disable-backing-store-limit";
 
 // Disable support for cached byte-ranges.
 const char kDisableByteRangeSupport[]       = "disable-byte-range-support";
 
 // Disable click-to-play for blocked plug-ins.
 const char kDisableClickToPlay[]            = "disable-click-to-play";
 
@@ skipping 1102 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead,
 // please put them in alphabetical order above, or in order inside the
 // appropriate ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches