Add Windows desktop shortcut for multiple profiles.

chrome/browser/profiles/profile_manager.cc

Index: chrome/browser/profiles/profile_manager.cc
===================================================================
--- chrome/browser/profiles/profile_manager.cc	(revision 109887)
+++ chrome/browser/profiles/profile_manager.cc	(working copy)
@@ -213,6 +213,9 @@
 
 ProfileManager::~ProfileManager() {
   BrowserList::RemoveObserver(this);
+#if defined(OS_WIN)
+  profile_info_cache_->RemoveObserver(profile_shortcut_manager_.get());
+#endif
 }
 
 FilePath ProfileManager::GetDefaultProfileDir(
@@ -590,6 +593,10 @@
   if (!profile_info_cache_.get()) {
     profile_info_cache_.reset(new ProfileInfoCache(
         g_browser_process->local_state(), user_data_dir_));
+#if defined(OS_WIN)
+    profile_shortcut_manager_.reset(new ProfileShortcutManagerWin());
+    profile_info_cache_->AddObserver(profile_shortcut_manager_.get());
+#endif
   }
   return *profile_info_cache_.get();
 }