Disable profile shortcuts feature if --user-data-dir was specified.

chrome/browser/profiles/profile_shortcut_manager_win.cc

Index: chrome/browser/profiles/profile_shortcut_manager_win.cc
===================================================================
--- chrome/browser/profiles/profile_shortcut_manager_win.cc	(revision 175282)
+++ chrome/browser/profiles/profile_shortcut_manager_win.cc	(working copy)
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string16.h"
@@ -307,7 +308,8 @@
 
 // static
 bool ProfileShortcutManager::IsFeatureEnabled() {
-  return BrowserDistribution::GetDistribution()->CanCreateDesktopShortcuts();
+  return BrowserDistribution::GetDistribution()->CanCreateDesktopShortcuts() &&
+         !CommandLine::ForCurrentProcess()->HasSwitch(switches::kUserDataDir);
 }
 
 // static