Implement a runtime headless mode for Linux

headless/lib/utility/headless_content_utility_client.cc

Index: headless/lib/utility/headless_content_utility_client.cc
diff --git a/headless/lib/utility/headless_content_utility_client.cc b/headless/lib/utility/headless_content_utility_client.cc
deleted file mode 100644
index 952e7485ab68fef4f12552fc3014a9283c5bd82c..0000000000000000000000000000000000000000
--- a/headless/lib/utility/headless_content_utility_client.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "headless/lib/utility/headless_content_utility_client.h"
-
-namespace headless {
-
-HeadlessContentUtilityClient::HeadlessContentUtilityClient() {}
-
-HeadlessContentUtilityClient::~HeadlessContentUtilityClient() {}
-
-}  // namespace headless