Remove duplicate application cpp files in mojo/application.

mojo/application/app_lifetime_helper.cc

Index: mojo/application/app_lifetime_helper.cc
diff --git a/mojo/application/app_lifetime_helper.cc b/mojo/application/app_lifetime_helper.cc
deleted file mode 100644
index 7859454a18d47306ded26538a8205ea9e6b4ee9c..0000000000000000000000000000000000000000
--- a/mojo/application/app_lifetime_helper.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2015 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 "mojo/application/app_lifetime_helper.h"
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "mojo/application/public/cpp/application_impl.h"
-
-namespace mojo {
-
-AppRefCount::AppRefCount(
-    AppLifetimeHelper* app_lifetime_helper,
-    scoped_refptr<base::SingleThreadTaskRunner> app_task_runner)
-    : app_lifetime_helper_(app_lifetime_helper),
-      app_task_runner_(app_task_runner) {
-}
-
-AppRefCount::~AppRefCount() {
-#ifndef NDEBUG
-  // Ensure that this object is used on only one thread at a time, or else there
-  // could be races where the object is being reset on one thread and cloned on
-  // another.
-  if (clone_task_runner_) {
-    DCHECK(clone_task_runner_->BelongsToCurrentThread());
-  }
-#endif
-
-  if (app_task_runner_->BelongsToCurrentThread()) {
-    app_lifetime_helper_->Release();
-    return;
-  }
-
-  app_task_runner_->PostTask(
-      FROM_HERE,
-      base::Bind(&AppLifetimeHelper::Release,
-                 base::Unretained(app_lifetime_helper_)));
-}
-
-scoped_ptr<AppRefCount> AppRefCount::Clone() {
-  if (app_task_runner_->BelongsToCurrentThread()) {
-    app_lifetime_helper_->AddRef();
-  } else {
-    app_task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&AppLifetimeHelper::AddRef,
-                   base::Unretained(app_lifetime_helper_)));
-  }
-
-#ifndef NDEBUG
-  // Ensure that this object is used on only one thread at a time, or else there
-  // could be races where the object is being reset on one thread and cloned on
-  // another.
-  if (clone_task_runner_) {
-    DCHECK(clone_task_runner_->BelongsToCurrentThread());
-  } else {
-    clone_task_runner_ = base::MessageLoop::current()->task_runner();
-  }
-#endif
-
-  return make_scoped_ptr(new AppRefCount(
-      app_lifetime_helper_, app_task_runner_));
-}
-
-AppLifetimeHelper::AppLifetimeHelper()
-    : ref_count_(0) {
-}
-
-AppLifetimeHelper::~AppLifetimeHelper() {
-}
-
-scoped_ptr<AppRefCount> AppLifetimeHelper::CreateAppRefCount() {
-  AddRef();
-  return make_scoped_ptr(new AppRefCount(
-      this, base::MessageLoop::current()->task_runner()));
-}
-
-void AppLifetimeHelper::AddRef() {
-  ref_count_++;
-}
-
-void AppLifetimeHelper::Release() {
-  if (!--ref_count_) {
-    // Disabled until network_service tests pass again http://crbug.com/484234
-    //ApplicationImpl::Terminate();
-  }
-}
-
-}  // namespace mojo