Implemented profile-aware owner key loading.

chrome/browser/chromeos/policy/power_policy_browsertest.cc

Index: chrome/browser/chromeos/policy/power_policy_browsertest.cc
diff --git a/chrome/browser/chromeos/policy/power_policy_browsertest.cc b/chrome/browser/chromeos/policy/power_policy_browsertest.cc
index 08b16f6d419922bc80ce52d651aa033575a3bcaf..da8f4161839340f9234b64b0835bf07e2d139237 100644
--- a/chrome/browser/chromeos/policy/power_policy_browsertest.cc
+++ b/chrome/browser/chromeos/policy/power_policy_browsertest.cc
@@ -307,7 +307,8 @@ void PowerPolicyInSessionBrowserTest::SetUpOnMainThread() {
   PowerPolicyBrowserTestBase::SetUpOnMainThread();
 
   // Tell the DeviceSettingsService that there is no local owner.
-  chromeos::DeviceSettingsService::Get()->SetUsername(std::string());
+  crypto::ScopedPK11Slot slot;
+  chromeos::DeviceSettingsService::Get()->InitOwner(std::string(), slot.Pass());
 }
 
 // Verifies that device policy is applied on the login screen.