Revert "Revert "Fathom tcp changes""
diff --git a/BUILD b/BUILD
index e1b00a5..c01b971 100644
--- a/BUILD
+++ b/BUILD
@@ -696,6 +696,7 @@
"src/core/lib/http/format_request.cc",
"src/core/lib/http/httpcli.cc",
"src/core/lib/http/parser.cc",
+ "src/core/lib/iomgr/buffer_list.cc",
"src/core/lib/iomgr/call_combiner.cc",
"src/core/lib/iomgr/combiner.cc",
"src/core/lib/iomgr/endpoint.cc",
@@ -716,6 +717,7 @@
"src/core/lib/iomgr/gethostname_fallback.cc",
"src/core/lib/iomgr/gethostname_host_name_max.cc",
"src/core/lib/iomgr/gethostname_sysconf.cc",
+ "src/core/lib/iomgr/internal_errqueue.cc",
"src/core/lib/iomgr/iocp_windows.cc",
"src/core/lib/iomgr/iomgr.cc",
"src/core/lib/iomgr/iomgr_custom.cc",
@@ -845,6 +847,7 @@
"src/core/lib/http/format_request.h",
"src/core/lib/http/httpcli.h",
"src/core/lib/http/parser.h",
+ "src/core/lib/iomgr/buffer_list.h",
"src/core/lib/iomgr/block_annotate.h",
"src/core/lib/iomgr/call_combiner.h",
"src/core/lib/iomgr/closure.h",
@@ -862,6 +865,7 @@
"src/core/lib/iomgr/executor.h",
"src/core/lib/iomgr/gethostname.h",
"src/core/lib/iomgr/gevent_util.h",
+ "src/core/lib/iomgr/internal_errqueue.h",
"src/core/lib/iomgr/iocp_windows.h",
"src/core/lib/iomgr/iomgr.h",
"src/core/lib/iomgr/iomgr_custom.h",