Add a command line flag to change the default number of parallel DNS requests...

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 492 matching lines @@
 //                               Will also force the port of the resulting
 //                               socket address to be 77.
 //    "MAP * baz, EXCLUDE www.google.com" --> Remaps everything to "baz",
 //                                            except for "www.google.com".
 //
 // These mappings apply to the endpoint host in a URLRequest (the TCP connect
 // and host resolver in a direct connection, and the CONNECT in an http proxy
 // connection, and the endpoint host in a SOCKS proxy connection).
 const char kHostRules[]                     = "host-rules";
 
-// These mappins only apply to the host resolver.
+// The maximum number of concurrent host resolve requests (i.e. DNS) to allow.
+const char kHostResolverParallelism[]       = "host-resolver-parallelism";
+
+// These mappings only apply to the host resolver.
 const char kHostResolverRules[]             = "host-resolver-rules";
 
 // Perform importing from another browser. The value associated with this
 // setting encodes the target browser and what items to import.
 const char kImport[]                        = "import";
 
 // Perform bookmark importing from an HTML file. The value associated with this
 // setting encodes the file path. It may be used jointly with kImport.
 const char kImportFromFile[]                = "import-from-file";
 
@@ skipping 586 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