Remove enable_notifications build flag and define

chrome/test/base/testing_browser_process.cc

 // Copyright (c) 2012 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 "chrome/test/base/testing_browser_process.h"
 
 #include "base/strings/string_util.h"
 #include "base/time/default_clock.h"
 #include "base/time/default_tick_clock.h"
 #include "build/build_config.h"
@@ skipping 203 matching lines @@
 BrowserProcessPlatformPart* TestingBrowserProcess::platform_part() {
   return platform_part_.get();
 }
 
 extensions::EventRouterForwarder*
 TestingBrowserProcess::extension_event_router_forwarder() {
   return nullptr;
 }
 
 NotificationUIManager* TestingBrowserProcess::notification_ui_manager() {
-#if defined(ENABLE_NOTIFICATIONS) && !defined(OS_ANDROID)
+#if !defined(OS_ANDROID)
   if (!notification_ui_manager_.get())
     notification_ui_manager_.reset(NotificationUIManager::Create());
   return notification_ui_manager_.get();
 #else
   NOTIMPLEMENTED();
   return nullptr;
 #endif
 }
 
 NotificationPlatformBridge*
@@ skipping 221 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
 TestingBrowserProcessInitializer::TestingBrowserProcessInitializer() {
   TestingBrowserProcess::CreateInstance();
 }
 
 TestingBrowserProcessInitializer::~TestingBrowserProcessInitializer() {
   TestingBrowserProcess::DeleteInstance();
 }