Get signals working in the EXTRA_DATA section of MHTML

content/browser/download/mhtml_generation_manager.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
 #define CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 
 #include "base/files/file.h"
 #include "base/macros.h"
 #include "base/memory/singleton.h"
 #include "base/process/process.h"
+#include "base/supports_user_data.h"

[fgorski, 2017/03/28 17:01:12]

needed?

[Pete Williamson, 2017/03/28 18:01:58]

Done.

 #include "content/common/download/mhtml_save_status.h"
+#include "content/public/browser/web_contents.h"

[fgorski, 2017/03/28 17:01:12]

needed?

[Pete Williamson, 2017/03/28 18:01:58]

Done.

 #include "content/public/common/mhtml_generation_params.h"
 #include "ipc/ipc_platform_file.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace content {
 
 class RenderFrameHostImpl;
@@ skipping 65 matching lines @@
   std::map<int, std::unique_ptr<Job>> id_to_job_;
 
   int next_job_id_;
 
   DISALLOW_COPY_AND_ASSIGN(MHTMLGenerationManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_