Revert 31875 to see whether it fixes reliability bot.

chrome/renderer/render_thread.cc

 // Copyright (c) 2009 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/renderer/render_thread.h"
 
 #include <v8.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 40 matching lines @@
 #include "chrome/renderer/render_process.h"
 #include "chrome/renderer/render_view.h"
 #include "chrome/renderer/renderer_webkitclient_impl.h"
 #include "chrome/renderer/renderer_web_database_observer.h"
 #include "chrome/renderer/socket_stream_dispatcher.h"
 #if defined(SPELLCHECKER_IN_RENDERER)
 #include "chrome/renderer/spellchecker/spellcheck.h"
 #endif
 #include "chrome/renderer/user_script_slave.h"
 #include "ipc/ipc_message.h"
-#include "ipc/ipc_platform_file.h"
 #include "third_party/tcmalloc/tcmalloc/src/google/malloc_extension.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebCache.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebColor.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebCrossOriginPreflightResultCache.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDatabase.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFontCache.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebKit.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebRuntimeFeatures.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebScriptController.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebSecurityPolicy.h"
@@ skipping 582 matching lines @@
   // point we already know that the browser has refreshed its list, so disable
   // refresh temporarily to prevent each renderer process causing the list to be
   // regenerated.
   plugin_refresh_allowed_ = false;
   WebKit::resetPluginCache(reload_pages);
   plugin_refresh_allowed_ = true;
 }
 
 #if defined(SPELLCHECKER_IN_RENDERER)
 void RenderThread::OnInitSpellChecker(
-    IPC::PlatformFileForTransit bdict_file,
+    const base::FileDescriptor& bdict_fd,
     const std::vector<std::string>& custom_words,
     const std::string& language,
     bool auto_spell_correct) {
-  spellchecker_->Init(IPC::PlatformFileForTransitToPlatformFile(bdict_file),
-                      custom_words, language);
+  spellchecker_->Init(bdict_fd, custom_words, language);
   spellchecker_->EnableAutoSpellCorrect(auto_spell_correct);
 }
 
 void RenderThread::OnSpellCheckWordAdded(const std::string& word) {
   spellchecker_->WordAdded(word);
 }
 
 void RenderThread::OnSpellCheckEnableAutoSpellCorrect(bool enable) {
   spellchecker_->EnableAutoSpellCorrect(enable);
 }
 #endif