Make ERR_ICANN_NAME_COLLISION work for async DNS resolver.

chrome/browser/net/dns_probe_runner_unittest.cc

Index: chrome/browser/net/dns_probe_runner_unittest.cc
diff --git a/chrome/browser/net/dns_probe_runner_unittest.cc b/chrome/browser/net/dns_probe_runner_unittest.cc
index bc9283d6f49f7c9a54014d40ad8181ca86afd254..c32804b932c8150e98d31e2a5141e019131988e8 100644
--- a/chrome/browser/net/dns_probe_runner_unittest.cc
+++ b/chrome/browser/net/dns_probe_runner_unittest.cc
@@ -48,7 +48,7 @@ class TestDnsProbeRunnerCallback {
 
 class DnsProbeRunnerTest : public testing::Test {
  protected:
-  void RunTest(MockDnsClientRule::Result query_result,
+  void RunTest(MockDnsClientRule::ResultType query_result,
                DnsProbeRunner::Result expected_probe_result);
 
   TestBrowserThreadBundle bundle_;
@@ -56,7 +56,7 @@ class DnsProbeRunnerTest : public testing::Test {
 };
 
 void DnsProbeRunnerTest::RunTest(
-    MockDnsClientRule::Result query_result,
+    MockDnsClientRule::ResultType query_result,
     DnsProbeRunner::Result expected_probe_result) {
   TestDnsProbeRunnerCallback callback;