mash: remove the LockStateControllerDelegate.

ash/accelerators/accelerator_controller_unittest.cc

Index: ash/accelerators/accelerator_controller_unittest.cc
diff --git a/ash/accelerators/accelerator_controller_unittest.cc b/ash/accelerators/accelerator_controller_unittest.cc
index a249ec86dcae7b5803006b2deaaa5222494fa732..93bc0b50461a431d12538d9c1b01dd3794e62878 100644
--- a/ash/accelerators/accelerator_controller_unittest.cc
+++ b/ash/accelerators/accelerator_controller_unittest.cc
@@ -22,6 +22,7 @@
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
+#include "ash/test/lock_state_controller_test_api.h"
 #include "ash/test/test_screenshot_delegate.h"
 #include "ash/test/test_session_state_animator.h"
 #include "ash/wm/lock_state_controller.h"
@@ -1114,7 +1115,7 @@ TEST_F(PreferredReservedAcceleratorsTest, AcceleratorsWithFullscreen) {
   ui::test::EventGenerator& generator = GetEventGenerator();
 #if defined(OS_CHROMEOS)
   // Power key (reserved) should always be handled.
-  LockStateController::TestApi test_api(
+  test::LockStateControllerTestApi test_api(
       Shell::GetInstance()->lock_state_controller());
   EXPECT_FALSE(test_api.is_animating_lock());
   generator.PressKey(ui::VKEY_POWER, ui::EF_NONE);
@@ -1164,7 +1165,7 @@ TEST_F(PreferredReservedAcceleratorsTest, AcceleratorsWithPinned) {
   ui::test::EventGenerator& generator = GetEventGenerator();
 #if defined(OS_CHROMEOS)
   // Power key (reserved) should always be handled.
-  LockStateController::TestApi test_api(
+  test::LockStateControllerTestApi test_api(
       Shell::GetInstance()->lock_state_controller());
   EXPECT_FALSE(test_api.is_animating_lock());
   generator.PressKey(ui::VKEY_POWER, ui::EF_NONE);