Implement a runtime headless mode for Linux

headless/lib/renderer/headless_content_renderer_client.cc

Index: headless/lib/renderer/headless_content_renderer_client.cc
diff --git a/headless/lib/renderer/headless_content_renderer_client.cc b/headless/lib/renderer/headless_content_renderer_client.cc
deleted file mode 100644
index 82faf2165a57f6799686ea293dba8890c9eeca07..0000000000000000000000000000000000000000
--- a/headless/lib/renderer/headless_content_renderer_client.cc
+++ /dev/null
@@ -1,16 +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/renderer/headless_content_renderer_client.h"
-
-#include "base/strings/utf_string_conversions.h"
-#include "content/public/renderer/render_frame.h"
-
-namespace headless {
-
-HeadlessContentRendererClient::HeadlessContentRendererClient() {}
-
-HeadlessContentRendererClient::~HeadlessContentRendererClient() {}
-
-}  // namespace headless