OOPIFs: Transitioning MHTML generation from view-oriented to frame-oriented.

content/renderer/mhtml_generator.h

-// Copyright (c) 2011 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_RENDERER_MHTML_GENERATOR_H_
-#define CONTENT_RENDERER_MHTML_GENERATOR_H_
-
-#include "base/files/file.h"
-#include "content/public/renderer/render_view_observer.h"
-#include "ipc/ipc_platform_file.h"
-
-namespace content {
-class RenderViewImpl;
-
-class MHTMLGenerator : public RenderViewObserver {
- public:
-  explicit MHTMLGenerator(RenderViewImpl* render_view);
-  ~MHTMLGenerator() override;
-
- private:
-  // RenderViewObserver implementation:
-  bool OnMessageReceived(const IPC::Message& message) override;
-
-  void OnSavePageAsMHTML(int job_id,
-                         IPC::PlatformFileForTransit file_for_transit);
-
-  void NotifyBrowser(int job_id, int64 data_size);
-  // Returns the size of the generated MHTML, -1 if it failed.
-  int64 GenerateMHTML();
-
-  base::File file_;
-
-  DISALLOW_COPY_AND_ASSIGN(MHTMLGenerator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MHTML_GENERATOR_H_