Update some host_resolver()->AddRules in chrome/browser.

chrome/browser/extensions/api/enterprise_platform_keys/enterprise_platform_keys_apitest_nss.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 <cryptohi.h>
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 230 matching lines @@
     command_line->AppendSwitchASCII(::switches::kGoogleApisUrl,
                                     gaia_url.spec());
 
     fake_gaia_.Initialize();
     fake_gaia_.set_issue_oauth_code_cookie(true);
   }
 
   void SetUpInProcessBrowserTestFixture() override {
     ExtensionApiTest::SetUpInProcessBrowserTestFixture();
 
-    host_resolver()->AddRule("*", "127.0.0.1");
-
     chromeos::FakeSessionManagerClient* fake_session_manager_client =
         new chromeos::FakeSessionManagerClient;
     chromeos::DBusThreadManager::GetSetterForTesting()->SetSessionManagerClient(
         std::unique_ptr<chromeos::SessionManagerClient>(
             fake_session_manager_client));
 
     if (GetParam().device_status_ == DEVICE_STATUS_ENROLLED) {
       std::set<std::string> device_affiliation_ids;
       device_affiliation_ids.insert(kAffiliationID);
       policy::affiliation_test_helper::SetDeviceAffiliationID(
@@ skipping 13 matching lines @@
 
 
     EXPECT_CALL(policy_provider_, IsInitializationComplete(testing::_))
         .WillRepeatedly(testing::Return(true));
     policy_provider_.SetAutoRefresh();
     policy::BrowserPolicyConnector::SetPolicyProviderForTesting(
         &policy_provider_);
   }
 
   void SetUpOnMainThread() override {
+    host_resolver()->AddRule("*", "127.0.0.1");
     // Start the accept thread as the sandbox host process has already been
     // spawned.
     embedded_test_server()->StartAcceptingConnections();
 
     FakeGaia::AccessTokenInfo token_info;
     token_info.scopes.insert(GaiaConstants::kDeviceManagementServiceOAuth);
     token_info.scopes.insert(GaiaConstants::kOAuthWrapBridgeUserInfoScope);
     token_info.audience = GaiaUrls::GetInstance()->oauth2_chrome_client_id();
     token_info.token = kTestUserinfoToken;
     token_info.email = kEnterpriseUser;
@@ skipping 212 matching lines @@
   extensions::ExtensionRegistry* registry =
       extensions::ExtensionRegistry::Get(profile());
   const extensions::Extension* extension =
       GetExtensionByPath(registry->enabled_extensions(), extension_path);
   ASSERT_FALSE(extension->install_warnings().empty());
   EXPECT_EQ(
       "'enterprise.platformKeys' is not allowed for specified install "
       "location.",
       extension->install_warnings()[0].message);
 }