Make the auto-launch experiment profile-aware.

chrome/installer/setup/install.cc

Index: chrome/installer/setup/install.cc
===================================================================
--- chrome/installer/setup/install.cc	(revision 119922)
+++ chrome/installer/setup/install.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -422,8 +422,11 @@
             installer::master_preferences::kAutoLaunchChrome,
             &auto_launch_chrome);
         if (auto_launch_chrome) {
+          FilePath path =
+              chrome_install->GetUserDataPath().AppendASCII("Default");

[grt (UTC plus 2), 2012/02/01 18:45:15]

#include "chrome/common/chrome_constants.h"
"Default" -> chrome::kInitialProfile
(installer_util depends on common_constants, so i believe this is safe)

           auto_launch_util::SetWillLaunchAtLogin(
-              true, installer_state.target_path());
+              true, installer_state.target_path(),

[grt (UTC plus 2), 2012/02/01 18:45:15]

nit: move |path| up to this line

+              path);
         }
       }
     }