Revert of DirectWrite Font Cache browser side hookup

chrome/utility/font_cache_handler_win.cc

-// Copyright 2014 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/utility/font_cache_handler_win.h"
-
-#include "chrome/common/chrome_utility_messages.h"
-#include "content/public/common/dwrite_font_platform_win.h"
-#include "content/public/utility/utility_thread.h"
-
-bool FontCacheHandler::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(FontCacheHandler, message)
-    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_BuildDirectWriteFontCache,
-                        OnBuildFontCache)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void FontCacheHandler::OnBuildFontCache(const base::FilePath& full_path) {
-  content::BuildFontCache(full_path);
-  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
-}