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

net/net.gyp

Index: net/net.gyp
diff --git a/net/net.gyp b/net/net.gyp
index f66d8f64648943f4fb5dd600c092b2f4e7293ac1..0b43937d133a63b09ae805581c43d41402ac1dce 100644
--- a/net/net.gyp
+++ b/net/net.gyp
@@ -170,12 +170,6 @@
         'base/host_mapping_rules.h',
         'base/host_port_pair.cc',
         'base/host_port_pair.h',
-        'base/host_resolver.cc',
-        'base/host_resolver.h',
-        'base/host_resolver_impl.cc',
-        'base/host_resolver_impl.h',
-        'base/host_resolver_proc.cc',
-        'base/host_resolver_proc.h',
         'base/io_buffer.cc',
         'base/io_buffer.h',
         'base/ip_endpoint.cc',
@@ -193,8 +187,6 @@
         'base/load_states_list.h',
         'base/load_timing_info.cc',
         'base/load_timing_info.h',
-        'base/mapped_host_resolver.cc',
-        'base/mapped_host_resolver.h',
         'base/mime_sniffer.cc',
         'base/mime_sniffer.h',
         'base/mime_util.cc',
@@ -259,8 +251,6 @@
         'base/sdch_manager.h',
         'base/single_request_cert_verifier.cc',
         'base/single_request_cert_verifier.h',
-        'base/single_request_host_resolver.cc',
-        'base/single_request_host_resolver.h',
         'base/static_cookie_policy.cc',
         'base/static_cookie_policy.h',
         'base/stream_listen_socket.cc',
@@ -432,10 +422,20 @@
         'dns/dns_socket_pool.h',
         'dns/dns_transaction.cc',
         'dns/dns_transaction.h',
+        'dns/host_resolver.cc',
+        'dns/host_resolver.h',
+        'dns/host_resolver_impl.cc',
+        'dns/host_resolver_impl.h',
+        'dns/host_resolver_proc.cc',
+        'dns/host_resolver_proc.h',
+        'dns/mapped_host_resolver.cc',
+        'dns/mapped_host_resolver.h',
         'dns/notify_watcher_mac.cc',
         'dns/notify_watcher_mac.h',
         'dns/serial_worker.cc',
         'dns/serial_worker.h',
+        'dns/single_request_host_resolver.cc',
+        'dns/single_request_host_resolver.h',
         'ftp/ftp_auth_cache.cc',
         'ftp/ftp_auth_cache.h',
         'ftp/ftp_ctrl_response_buffer.cc',
@@ -1391,10 +1391,8 @@
         'base/host_cache_unittest.cc',
         'base/host_mapping_rules_unittest.cc',
         'base/host_port_pair_unittest.cc',
-        'base/host_resolver_impl_unittest.cc',
         'base/ip_endpoint_unittest.cc',
         'base/keygen_handler_unittest.cc',
-        'base/mapped_host_resolver_unittest.cc',
         'base/mime_sniffer_unittest.cc',
         'base/mime_util_unittest.cc',
         'base/mock_filter_context.cc',
@@ -1410,7 +1408,6 @@
         'base/priority_queue_unittest.cc',
         'base/registry_controlled_domains/registry_controlled_domain_unittest.cc',
         'base/sdch_filter_unittest.cc',
-        'base/single_request_host_resolver_unittest.cc',
         'base/static_cookie_policy_unittest.cc',
         'base/tcp_listen_socket_unittest.cc',
         'base/tcp_listen_socket_unittest.h',
@@ -1453,7 +1450,10 @@
         'dns/dns_response_unittest.cc',
         'dns/dns_session_unittest.cc',
         'dns/dns_transaction_unittest.cc',
+        'dns/host_resolver_impl_unittest.cc',
+        'dns/mapped_host_resolver_unittest.cc',
         'dns/serial_worker_unittest.cc',
+        'dns/single_request_host_resolver_unittest.cc',
         'ftp/ftp_auth_cache_unittest.cc',
         'ftp/ftp_ctrl_response_buffer_unittest.cc',
         'ftp/ftp_directory_listing_parser_ls_unittest.cc',
@@ -1982,8 +1982,6 @@
         'base/mock_cert_verifier.h',
         'base/mock_file_stream.cc',
         'base/mock_file_stream.h',
-        'base/mock_host_resolver.cc',
-        'base/mock_host_resolver.h',
         'base/test_completion_callback.cc',
         'base/test_completion_callback.h',
         'base/test_data_directory.cc',
@@ -2002,6 +2000,8 @@
         'disk_cache/flash/flash_cache_test_base.cc',
         'dns/dns_test_util.cc',
         'dns/dns_test_util.h',
+        'dns/mock_host_resolver.cc',
+        'dns/mock_host_resolver.h',
         'proxy/mock_proxy_resolver.cc',
         'proxy/mock_proxy_resolver.h',
         'proxy/mock_proxy_script_fetcher.cc',