Explicitly ShutdownOnUIThread the HostContentSettingsMap when destroying the Profile.

chrome/browser/profiles/profile_impl.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/browser/profiles/profile_impl.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
 #include "base/file_path.h"
@@ skipping 928 matching lines @@
                         &ExtensionInfoMap::RemoveExtension,
                         extension_id,
                         reason));
 }
 
 net::SSLConfigService* ProfileImpl::GetSSLConfigService() {
   return ssl_config_service_manager_->Get();
 }
 
 HostContentSettingsMap* ProfileImpl::GetHostContentSettingsMap() {
-  if (!host_content_settings_map_.get())
-    host_content_settings_map_ = new HostContentSettingsMap(this);
+  if (!host_content_settings_map_.get()) {
+    host_content_settings_map_ = new HostContentSettingsMap(
+        GetPrefs(), GetExtensionService(), false);
+  }
   return host_content_settings_map_.get();
 }
 
 HostZoomMap* ProfileImpl::GetHostZoomMap() {
   if (!host_zoom_map_) {
     host_zoom_map_ = new HostZoomMap();
     host_zoom_map_->set_default_zoom_level(
         GetPrefs()->GetDouble(prefs::kDefaultZoomLevel));
 
     const DictionaryValue* host_zoom_dictionary =
@@ skipping 687 matching lines @@
   if (!prerender::PrerenderManager::IsPrerenderingPossible())
     return NULL;
   if (!prerender_manager_.get()) {
     CHECK(g_browser_process->prerender_tracker());
     prerender_manager_.reset(
         new prerender::PrerenderManager(
             this, g_browser_process->prerender_tracker()));
   }
   return prerender_manager_.get();
 }