Call crypto::InitializeTPMToken on the IO thread (Take 2)

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 8b88552465ccf1584f7fed2ac6133ca9f407cb95..eb78f820371929d372f3a0f0884c6d53f3521703 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -278,6 +278,7 @@ class DBusServices {
 
     LoginState::Initialize();
     CryptohomeLibrary::Initialize();
+    CertLoader::Initialize();
 
     // This function and SystemKeyEventListener use InputMethodManager.
     chromeos::input_method::Initialize(
@@ -372,8 +373,6 @@ ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
   if (KioskModeSettings::Get()->IsKioskModeEnabled())
     ShutdownKioskModeScreensaver();
 
-  dbus_services_.reset();
-
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone", false);
@@ -449,6 +448,11 @@ void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
 // Threads are initialized between MainMessageLoopStart and MainMessageLoopRun.
 // about_flags settings are applied in ChromeBrowserMainParts::PreCreateThreads.
 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
+  // Set the crypto thread after the IO thread has been created/started.
+  CertLoader::Get()->SetCryptoTaskRunner(
+      content::BrowserThread::GetMessageLoopProxyForThread(
+          content::BrowserThread::IO));
+
   if (ash::switches::UseNewAudioHandler()) {
     CrasAudioHandler::Initialize(
         AudioDevicesPrefHandler::Create(g_browser_process->local_state()));
@@ -827,7 +831,11 @@ void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
 }
 
 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
+  // Destroy DBus services immediately after threads are stopped.
+  dbus_services_.reset();
+
   ChromeBrowserMainPartsLinux::PostDestroyThreads();
+
   // Destroy DeviceSettingsService after g_browser_process.
   DeviceSettingsService::Shutdown();
 }