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

chrome/browser/chromeos/settings/device_settings_service.h

Index: chrome/browser/chromeos/settings/device_settings_service.h
diff --git a/chrome/browser/chromeos/settings/device_settings_service.h b/chrome/browser/chromeos/settings/device_settings_service.h
index 402a891816e3b5dd478216f25b9e4e9fd7f19f41..b96382a5a8c884313659fc1b020fbbf357b7062c 100644
--- a/chrome/browser/chromeos/settings/device_settings_service.h
+++ b/chrome/browser/chromeos/settings/device_settings_service.h
@@ -17,6 +17,7 @@
 #include "base/observer_list.h"
 #include "chrome/browser/policy/cloud/cloud_policy_validator.h"
 #include "chromeos/dbus/session_manager_client.h"
+#include "chromeos/network/cert_loader.h"
 
 namespace crypto {
 class RSAPrivateKey;
@@ -71,7 +72,8 @@ class OwnerKey : public base::RefCountedThreadSafe<OwnerKey> {
 //
 // DeviceSettingsService generates notifications for key and policy update
 // events so interested parties can reload state as appropriate.
-class DeviceSettingsService : public SessionManagerClient::Observer {
+class DeviceSettingsService : public SessionManagerClient::Observer,
+                              public CertLoader::Observer {
  public:
   // Indicates ownership status of the device.
   enum OwnershipStatus {
@@ -188,6 +190,10 @@ class DeviceSettingsService : public SessionManagerClient::Observer {
   virtual void OwnerKeySet(bool success) OVERRIDE;
   virtual void PropertyChangeComplete(bool success) OVERRIDE;
 
+  // CertLoader::Observer:
+  virtual void OnCertificatesLoaded(const net::CertificateList& cert_list,
+                                    bool initial_load) OVERRIDE;
+
  private:
   // Enqueues a new operation. Takes ownership of |operation| and starts it
   // right away if there is no active operation currently.