Remove command line/field trial support and configs for Isolate Extensions.

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 <stddef.h>
 #include <utility>
 
 #include "base/base_switches.h"
@@ skipping 23 matching lines @@
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "net/test/embedded_test_server/http_request.h"
 #include "net/test/embedded_test_server/http_response.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
 
 namespace {
 
 const char kTestCustomArg[] = "customArg";
 const char kTestDataDirectory[] = "testDataDirectory";
 const char kTestWebSocketPort[] = "testWebSocketPort";
-const char kIsolateExtensions[] = "isolateExtensions";
 const char kFtpServerPort[] = "ftpServer.port";
 const char kEmbeddedTestServerPort[] = "testServer.port";
 
 std::unique_ptr<net::test_server::HttpResponse> HandleServerRedirectRequest(
     const net::test_server::HttpRequest& request) {
   if (!base::StartsWith(request.relative_url, "/server-redirect?",
                         base::CompareCase::SENSITIVE))
     return nullptr;
 
   size_t query_string_pos = request.relative_url.find('?');
@@ skipping 96 matching lines @@
 
 ExtensionApiTest::~ExtensionApiTest() {}
 
 void ExtensionApiTest::SetUpOnMainThread() {
   ExtensionBrowserTest::SetUpOnMainThread();
   DCHECK(!test_config_.get()) << "Previous test did not clear config state.";
   test_config_.reset(new base::DictionaryValue());
   test_config_->SetString(kTestDataDirectory,
                           net::FilePathToFileURL(test_data_dir_).spec());
   test_config_->SetInteger(kTestWebSocketPort, 0);
-  bool isolate_extensions = extensions::IsIsolateExtensionsEnabled();
-  test_config_->SetBoolean(kIsolateExtensions, isolate_extensions);
   extensions::TestGetConfigFunction::set_test_config_state(
       test_config_.get());
 }
 
 void ExtensionApiTest::TearDownOnMainThread() {
   ExtensionBrowserTest::TearDownOnMainThread();
   extensions::TestGetConfigFunction::set_test_config_state(NULL);
   test_config_.reset(NULL);
 }
 
@@ skipping 275 matching lines @@
 }
 
 void ExtensionApiTest::SetUpCommandLine(base::CommandLine* command_line) {
   ExtensionBrowserTest::SetUpCommandLine(command_line);
   test_data_dir_ = test_data_dir_.AppendASCII("api_test");
   // Backgrounded renderer processes run at a lower priority, causing the
   // tests to take more time to complete. Disable backgrounding so that the
   // tests don't time out.
   command_line->AppendSwitch(switches::kDisableRendererBackgrounding);
 }