net: move host_resolver files from net/base to net/dns

net/dns/host_resolver_impl_unittest.cc

Index: net/dns/host_resolver_impl_unittest.cc
diff --git a/net/base/host_resolver_impl_unittest.cc b/net/dns/host_resolver_impl_unittest.cc
similarity index 99%
rename from net/base/host_resolver_impl_unittest.cc
rename to net/dns/host_resolver_impl_unittest.cc
index d0c8fcb2b2bec59986567b7dd509dda70ff43b0b..4880b65fad085c28d525248386800631420a181d 100644
--- a/net/base/host_resolver_impl_unittest.cc
+++ b/net/dns/host_resolver_impl_unittest.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/base/host_resolver_impl.h"
+#include "net/dns/host_resolver_impl.h"
 
 #include <algorithm>
 #include <string>
@@ -20,11 +20,11 @@
 #include "base/time.h"
 #include "net/base/address_list.h"
 #include "net/base/host_cache.h"
-#include "net/base/mock_host_resolver.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/dns/dns_client.h"
 #include "net/dns/dns_test_util.h"
+#include "net/dns/mock_host_resolver.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {