Add unit tests for AppListServiceImpl.

chrome/browser/ui/views/app_list/keep_alive_service.h

Index: chrome/browser/ui/views/app_list/keep_alive_service.h
diff --git a/chrome/browser/ui/views/app_list/keep_alive_service.h b/chrome/browser/ui/views/app_list/keep_alive_service.h
deleted file mode 100644
index 0aba483421d9326cff60f623c5f57eb5f1918124..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/app_list/keep_alive_service.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2013 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 CHROME_BROWSER_UI_VIEWS_APP_LIST_KEEP_ALIVE_SERVICE_H_
-#define CHROME_BROWSER_UI_VIEWS_APP_LIST_KEEP_ALIVE_SERVICE_H_
-
-// An interface to manipulate browser keepalive. Subclasses should ensure that
-// keepalive is cleared when the object is destructed.
-class KeepAliveService {
- public:
-  virtual ~KeepAliveService() {}
-  virtual void EnsureKeepAlive() = 0;
-  virtual void FreeKeepAlive() = 0;
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_APP_LIST_KEEP_ALIVE_SERVICE_H_