mojo api for view based lockscreen

ash/test/ash_test_helper.cc

Index: ash/test/ash_test_helper.cc
diff --git a/ash/test/ash_test_helper.cc b/ash/test/ash_test_helper.cc
index 6d7286b34e4baff7a9cc02e9424d9d44373bb845..5bc6bd0051bb0d94e2600623d1c2c670cf187430 100644
--- a/ash/test/ash_test_helper.cc
+++ b/ash/test/ash_test_helper.cc
@@ -29,6 +29,7 @@
 #include "base/strings/string_split.h"
 #include "base/test/sequenced_worker_pool_owner.h"
 #include "chromeos/audio/cras_audio_handler.h"
+#include "chromeos/cryptohome/system_salt_getter.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/network/network_handler.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
@@ -150,6 +151,7 @@ void AshTestHelper::SetUp(bool start_session) {
     // Create CrasAudioHandler for testing since g_browser_process is not
     // created in AshTestBase tests.
     chromeos::CrasAudioHandler::InitializeForTesting();
+    chromeos::SystemSaltGetter::Initialize();
   }
 
   ash_test_environment_->SetUp();
@@ -227,6 +229,7 @@ void AshTestHelper::TearDown() {
     // Remove global message center state.
     message_center::MessageCenter::Shutdown();
 
+    chromeos::SystemSaltGetter::Shutdown();
     chromeos::CrasAudioHandler::Shutdown();
   }