Use renderer spellchecker for windows.

chrome/browser/profile.cc

 // Copyright (c) 2006-2008 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/profile.h"
 
 #include "app/theme_provider.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 1321 matching lines @@
     spellcheck_host_ = new SpellCheckHost(this,
         WideToASCII(prefs->GetString(prefs::kSpellCheckDictionary)),
         GetRequestContext());
   } else if (notify) {
     // The spellchecker has been disabled.
     SpellCheckHostInitialized();
   }
 }
 
 void ProfileImpl::SpellCheckHostInitialized() {
-  spellcheck_host_ready_ =
-      spellcheck_host_ && spellcheck_host_->bdict_fd().fd != -1;
+  spellcheck_host_ready_ = spellcheck_host_ &&
+      spellcheck_host_->bdict_file() != base::kInvalidPlatformFileValue;
   NotificationService::current()->Notify(
       NotificationType::SPELLCHECK_HOST_REINITIALIZED,
           Source<Profile>(this), NotificationService::NoDetails());
 }
 #endif
 
 void ProfileImpl::NotifySpellCheckerChanged() {
   SpellcheckerReinitializedDetails scoped_spellchecker;
   scoped_spellchecker.spellchecker = spellchecker_;
   ChromeThread::PostTask(
@@ skipping 90 matching lines @@
   }
   if (!sync_service_.get())
     InitSyncService();
   return sync_service_.get();
 }
 
 void ProfileImpl::InitSyncService() {
   sync_service_.reset(new ProfileSyncService(this));
   sync_service_->Initialize();
 }