Remove ipc/unix_domain_socket_util.*

ipc/BUILD.gn

Index: ipc/BUILD.gn
diff --git a/ipc/BUILD.gn b/ipc/BUILD.gn
index aefa3b5e2e61b59cb6df2fd4ff8197c6710b7acb..e2a13da735f12dc7bd4eb25dd8adf1b5c40dffbc 100644
--- a/ipc/BUILD.gn
+++ b/ipc/BUILD.gn
@@ -86,15 +86,10 @@ component("ipc") {
     "param_traits_write_macros.h",
     "struct_constructor_macros.h",
     "struct_destructor_macros.h",
-    "unix_domain_socket_util.cc",
-    "unix_domain_socket_util.h",
   ]
 
   if (is_nacl && !is_nacl_nonsfi) {
-    sources -= [
-      "ipc_channel.cc",
-      "unix_domain_socket_util.cc",
-    ]
+    sources -= [ "ipc_channel.cc" ]
   } else {
     sources -= [
       "ipc_channel_nacl.cc",
@@ -102,10 +97,6 @@ component("ipc") {
     ]
   }
 
-  if (is_win || is_nacl_nonsfi) {
-    sources -= [ "unix_domain_socket_util.cc" ]
-  }
-
   defines = [ "IPC_IMPLEMENTATION" ]
 
   public_deps = [
@@ -185,10 +176,6 @@ if (!is_ios) {
       "sync_socket_unittest.cc",
     ]
 
-    if (!is_win && !is_ios) {
-      sources += [ "unix_domain_socket_util_unittest.cc" ]
-    }
-
     if (!is_ios) {
       sources += [ "ipc_send_fds_test.cc" ]
     }