linux: Explicitly call FcInit() in ToolkitInitialized().

chrome/browser/chrome_browser_main_linux.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_linux.h"
 
+#include <fontconfig/fontconfig.h>
+
 #include "chrome/browser/browser_process.h"
 #include "components/breakpad/app/breakpad_linux.h"
 #include "components/metrics/metrics_service.h"
 
 #if !defined(OS_CHROMEOS)
 #include "base/linux_util.h"
 #include "chrome/browser/sxs_linux.h"
 #include "content/public/browser/browser_thread.h"
 #endif
 
 ChromeBrowserMainPartsLinux::ChromeBrowserMainPartsLinux(
     const content::MainFunctionParams& parameters)
     : ChromeBrowserMainPartsPosix(parameters) {
 }
 
 ChromeBrowserMainPartsLinux::~ChromeBrowserMainPartsLinux() {
 }
 
+void ChromeBrowserMainPartsLinux::ToolkitInitialized() {
+  // Explicitly initialize Fontconfig early on to prevent races later due to
+  // implicit initialization in response to threads' first calls to Fontconfig:
+  // http://crbug.com/404311
+  FcInit();
+
+  ChromeBrowserMainPartsPosix::ToolkitInitialized();
+}
+
 void ChromeBrowserMainPartsLinux::PreProfileInit() {
 #if !defined(OS_CHROMEOS)
   // Needs to be called after we have chrome::DIR_USER_DATA and
   // g_browser_process.  This happens in PreCreateThreads.
   // base::GetLinuxDistro() will initialize its value if needed.
   content::BrowserThread::PostBlockingPoolTask(
       FROM_HERE,
       base::Bind(base::IgnoreResult(&base::GetLinuxDistro)));
 
   content::BrowserThread::PostBlockingPoolTask(
       FROM_HERE,
       base::Bind(&sxs_linux::AddChannelMarkToUserDataDir));
 #endif
 
   ChromeBrowserMainPartsPosix::PreProfileInit();
 }
 
 void ChromeBrowserMainPartsLinux::PostProfileInit() {
   ChromeBrowserMainPartsPosix::PostProfileInit();
 
   g_browser_process->metrics_service()->RecordBreakpadRegistration(
       breakpad::IsCrashReporterEnabled());
 }