Delete athena/

athena/test/base/activity_lifetime_tracker.h

Index: athena/test/base/activity_lifetime_tracker.h
diff --git a/athena/test/base/activity_lifetime_tracker.h b/athena/test/base/activity_lifetime_tracker.h
deleted file mode 100644
index d217893ce7be9623c756583e9813ba64f60c1a0a..0000000000000000000000000000000000000000
--- a/athena/test/base/activity_lifetime_tracker.h
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@@ -1,46 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef ATHENA_TEST_BASE_ACTIVITY_LIFETIME_TRACKER_H_
-#define ATHENA_TEST_BASE_ACTIVITY_LIFETIME_TRACKER_H_
-
-#include "athena/activity/public/activity_manager_observer.h"
-#include "base/macros.h"
-
-namespace athena {
-class Activity;
-
-// Listens for activities to be started / ended and will return them.
-class ActivityLifetimeTracker : public ActivityManagerObserver {
- public:
-  ActivityLifetimeTracker();
-  ~ActivityLifetimeTracker() override;
-
-  // ActivityManagerObserver:
-  void OnActivityStarted(Activity* activity) override;
-  void OnActivityEnding(Activity* activity) override;
-  void OnActivityOrderChanged() override;
-
-  // Returns the newly created activity (if any) and resets its reference.
-  Activity* GetNewActivityAndReset();
-
-  // Returns a deleted activity (if any) and resets its reference.
-  // Note that the pointer is void* since the Activity was deleted when
-  // requested.
-  void* GetDeletedActivityAndReset();
-
- private:
-  // The activity which got created if not nullptr.
-  Activity* new_activity_;
-
-  // An old activity which got unloaded if not nullptr.
-  void* deleted_activity_;
-
-  DISALLOW_COPY_AND_ASSIGN(ActivityLifetimeTracker);
-};
-
-}  // namespace athena
-
-#endif //  ATHENA_TEST_BASE_ACTIVITY_LIFETIME_TRACKER_H_
-