Implement a runtime headless mode for Linux

headless/lib/utility/headless_content_utility_client.h

Index: headless/lib/utility/headless_content_utility_client.h
diff --git a/headless/lib/utility/headless_content_utility_client.h b/headless/lib/utility/headless_content_utility_client.h
deleted file mode 100644
index 0a522f2c54b07805a5bd23bd70771c08d92fa2e2..0000000000000000000000000000000000000000
--- a/headless/lib/utility/headless_content_utility_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_UTILITY_HEADLESS_CONTENT_UTILITY_CLIENT_H_
-#define HEADLESS_LIB_UTILITY_HEADLESS_CONTENT_UTILITY_CLIENT_H_
-
-#include "content/public/utility/content_utility_client.h"
-
-namespace headless {
-
-class HeadlessContentUtilityClient : public content::ContentUtilityClient {
- public:
-  HeadlessContentUtilityClient();
-  ~HeadlessContentUtilityClient() override;
-
-  DISALLOW_COPY_AND_ASSIGN(HeadlessContentUtilityClient);
-};
-
-}  // namespace headless
-
-#endif  // HEADLESS_LIB_UTILITY_HEADLESS_CONTENT_UTILITY_CLIENT_H_