Fix crash in Windows chrome with --uninstall flag. This was a regression from r210884.

chrome/browser/chrome_browser_main_win.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/chrome_browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 194 matching lines @@
         l10n_util::GetStringUTF16(IDS_UNSUPPORTED_OS_PRE_WIN_XP),
         chrome::MESSAGE_BOX_TYPE_WARNING);
   }
 
   return rv;
 }
 
 void ChromeBrowserMainPartsWin::PostMainMessageLoopRun() {
   // Log the search engine chosen on first run. Do this at shutdown, after any
   // changes are made from the first run bubble link, etc.
-  if (do_first_run_tasks() && !profile()->IsOffTheRecord()) {
+  if (do_first_run_tasks() && profile() && !profile()->IsOffTheRecord()) {
     TemplateURLService* url_service =
         TemplateURLServiceFactory::GetForProfile(profile());
     const TemplateURL* default_search_engine =
         url_service->GetDefaultSearchProvider();
     // The default engine can be NULL if the administrator has disabled
     // default search.
     SearchEngineType search_engine_type =
         TemplateURLPrepopulateData::GetEngineType(default_search_engine ?
             default_search_engine->url() : std::string());
     // Record the search engine chosen.
@@ skipping 185 matching lines @@
   if (resource_id)
     return l10n_util::GetStringUTF16(resource_id);
   return string16();
 }
 
 // static
 void ChromeBrowserMainPartsWin::SetupInstallerUtilStrings() {
   CR_DEFINE_STATIC_LOCAL(TranslationDelegate, delegate, ());
   installer::SetTranslationDelegate(&delegate);
 }