Delete athena/

athena/extensions/extensions_delegate.cc

-// 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/extensions/public/extensions_delegate.h"
-
-#include "athena/extensions/athena_constrained_window_views_client.h"
-#include "athena/extensions/athena_javascript_native_dialog_factory.h"
-#include "base/logging.h"
-#include "extensions/components/javascript_dialog_extensions_client/javascript_dialog_extension_client_impl.h"
-
-namespace athena {
-namespace {
-
-ExtensionsDelegate* instance = nullptr;
-
-}  // namespace
-
-ExtensionsDelegate::ExtensionsDelegate() {
-  InstallConstrainedWindowViewsClient();
-  javascript_dialog_extensions_client::InstallClient();
-  InstallJavaScriptNativeDialogFactory();
-  DCHECK(!instance);
-  instance = this;
-}
-
-ExtensionsDelegate::~ExtensionsDelegate() {
-  UninstallConstrainedWindowViewsClient();
-  DCHECK(instance);
-  instance = nullptr;
-}
-
-// static
-ExtensionsDelegate* ExtensionsDelegate::Get(content::BrowserContext* context) {
-  DCHECK(instance);
-  DCHECK_EQ(context, instance->GetBrowserContext());
-  return instance;
-}
-
-// static
-void ExtensionsDelegate::Shutdown() {
-  DCHECK(instance);
-  delete instance;
-}
-
-}  // namespace athena