Add a command line "--profile-directory="name of profile directory to load"" switch

chrome/common/chrome_switches.cc

 // Copyright (c) 2011 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 803 matching lines @@
 //   prefetch_only: No prerendering, but enable prefetching.
 const char kPrerenderSwitchValuePrefetchOnly[] = "prefetch_only";
 
 // Prints the pages on the screen.
 const char kPrint[]                         = "print";
 
 // Output the product version information and quit. Used as an internal api to
 // detect the installed version of Chrome on Linux.
 const char kProductVersion[]                = "product-version";
 
+// Selects directory of profile to associate with the first browser launched.
+const char kProfileDirectory[]              = "profile-directory";
+
 // Starts the sampling based profiler for the browser process at
 // startup. This will only work if chrome has been built with
 // the gyp variable profiling=1. The output will go to the value
 // of kProfilingFile.
 const char kProfilingAtStart[]              = "profiling-at-start";
 
 // Specifies a location for profiling output. This will only work if chrome
 // has been built with the gyp variable profiling=1.
 //   {pid} if present will be replaced by the pid of the process.
 //   {count} if present will be incremented each time a profile is generated
@@ skipping 396 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