Implement a runtime headless mode for Linux

headless/lib/renderer/headless_content_renderer_client.h

Index: headless/lib/renderer/headless_content_renderer_client.h
diff --git a/headless/lib/renderer/headless_content_renderer_client.h b/headless/lib/renderer/headless_content_renderer_client.h
deleted file mode 100644
index a10ff81752b180aa58e2ad8891f8c8190631cb9d..0000000000000000000000000000000000000000
--- a/headless/lib/renderer/headless_content_renderer_client.h
+++ /dev/null
@@ -1,22 +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.
-
-#ifndef HEADLESS_LIB_RENDERER_HEADLESS_CONTENT_RENDERER_CLIENT_H_
-#define HEADLESS_LIB_RENDERER_HEADLESS_CONTENT_RENDERER_CLIENT_H_
-
-#include "content/public/renderer/content_renderer_client.h"
-
-namespace headless {
-
-class HeadlessContentRendererClient : public content::ContentRendererClient {
- public:
-  HeadlessContentRendererClient();
-  ~HeadlessContentRendererClient() override;
-
-  DISALLOW_COPY_AND_ASSIGN(HeadlessContentRendererClient);
-};
-
-}  // namespace headless
-
-#endif  // HEADLESS_LIB_RENDERER_HEADLESS_CONTENT_RENDERER_CLIENT_H_