PlatformAppApiTest class should not enable experimental APIs by default

chrome/browser/extensions/extension_apitest.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/browser/extensions/extension_apitest.h"
 
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/api/test/test_api.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_service.h"
 #include "net/base/net_util.h"
 #include "net/test/test_server.h"
 
 namespace {
 
 const char kTestServerPort[] = "testServer.port";
@@ skipping 278 matching lines @@
   test_config_->SetInteger(kTestWebSocketPort,
                            websocket_server_->host_port_pair().port());
 
   return true;
 }
 
 void ExtensionApiTest::SetUpCommandLine(CommandLine* command_line) {
   ExtensionBrowserTest::SetUpCommandLine(command_line);
   test_data_dir_ = test_data_dir_.AppendASCII("api_test");
 }
-
-PlatformAppApiTest::PlatformAppApiTest() {}
-
-PlatformAppApiTest::~PlatformAppApiTest() {}
-
-void PlatformAppApiTest::SetUpCommandLine(CommandLine* command_line) {
-  ExtensionApiTest::SetUpCommandLine(command_line);
-
-  // If someone is using this class, we're going to insist on management of the
-  // relevant flags. If these flags are already set, die.
-  DCHECK(!command_line->HasSwitch(switches::kEnableExperimentalExtensionApis));
-
-  command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
-}