Delete athena/

athena/test/base/activity_lifetime_tracker.cc

Index: athena/test/base/activity_lifetime_tracker.cc
diff --git a/athena/test/base/activity_lifetime_tracker.cc b/athena/test/base/activity_lifetime_tracker.cc
deleted file mode 100644
index ea62e4b9a2a0c59a5768a723edb20ea29d90e394..0000000000000000000000000000000000000000
--- a/athena/test/base/activity_lifetime_tracker.cc
+++ /dev/null
@@ -1,43 +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.
-
-#include "athena/test/base/activity_lifetime_tracker.h"
-
-#include "athena/activity/public/activity_manager.h"
-
-namespace athena {
-
-ActivityLifetimeTracker::ActivityLifetimeTracker()
-    : new_activity_(nullptr), deleted_activity_(nullptr) {
-  ActivityManager::Get()->AddObserver(this);
-}
-
-ActivityLifetimeTracker::~ActivityLifetimeTracker() {
-  ActivityManager::Get()->RemoveObserver(this);
-}
-
-void ActivityLifetimeTracker::OnActivityStarted(Activity* activity) {
-  new_activity_ = activity;
-}
-
-void ActivityLifetimeTracker::OnActivityEnding(Activity* activity) {
-  deleted_activity_ = activity;
-}
-
-void ActivityLifetimeTracker::OnActivityOrderChanged() {
-}
-
-Activity* ActivityLifetimeTracker::GetNewActivityAndReset() {
-  Activity* activity = new_activity_;
-  new_activity_ = nullptr;
-  return activity;
-}
-
-void* ActivityLifetimeTracker::GetDeletedActivityAndReset() {
-  void* activity = deleted_activity_;
-  deleted_activity_ = nullptr;
-  return activity;
-}
-
-}  // namespace athena