Move DnsApiTest.DnsResolveIPLiteral and DnsApiTest.DnsResolveHostname to app_shell_browsertests.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 7591a311652f130feb31105477237ac3c54116eb..510a17c7931173f83e3be0f18e7bac8236448db6 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -1089,8 +1089,6 @@
         'browser/extensions/api/developer_private/developer_private_apitest.cc',
         'browser/extensions/api/dial/dial_apitest.cc',
         'browser/extensions/api/dns/dns_apitest.cc',
-        'browser/extensions/api/dns/mock_host_resolver_creator.cc',
-        'browser/extensions/api/dns/mock_host_resolver_creator.h',
         'browser/extensions/api/downloads/downloads_api_browsertest.cc',
         'browser/extensions/api/enterprise_platform_keys/enterprise_platform_keys_apitest_nss.cc',
         'browser/extensions/api/extension_action/browser_action_apitest.cc',