Mark supervised profiles as such immediately when they're created.

chrome/browser/profiles/profile_impl.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 732 matching lines @@
   if (!extension_special_storage_policy_.get()) {
     TRACE_EVENT0("browser", "ProfileImpl::GetExtensionSpecialStoragePolicy")
     extension_special_storage_policy_ = new ExtensionSpecialStoragePolicy(
         CookieSettings::Factory::GetForProfile(this).get());
   }
   return extension_special_storage_policy_.get();
 }
 
 void ProfileImpl::OnPrefsLoaded(bool success) {
   TRACE_EVENT0("browser", "ProfileImpl::OnPrefsLoaded")
+  if (delegate_)
+    delegate_->OnPrefsLoaded(this);
+
   if (!success) {
     if (delegate_)
       delegate_->OnProfileCreated(this, false, false);
     return;
   }
 
   // TODO(mirandac): remove migration code after 6 months (crbug.com/69995).
   if (g_browser_process->local_state())
     chrome::MigrateBrowserPrefs(this, g_browser_process->local_state());
   // TODO(ivankr): remove cleanup code eventually (crbug.com/165672).
@@ skipping 438 matching lines @@
 PrefProxyConfigTracker* ProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
         g_browser_process->local_state());
   }
 #endif  // defined(OS_CHROMEOS)
   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
       GetPrefs(), g_browser_process->local_state());
 }