PrintPreview: Print Preview is not staying associated with initiator renderer.

chrome/browser/ui/webui/print_preview_ui_html_source.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 CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_HTML_SOURCE_H_
-#define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_HTML_SOURCE_H_
-#pragma once
-
-#include <string>
-#include <utility>
-
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
-
-namespace base {
-class SharedMemory;
-}
-
-class PrintPreviewUIHTMLSource : public ChromeURLDataManager::DataSource {
- public:
-  // A SharedMemory that contains the data for print preview,
-  // and the size of the print preview data in bytes.
-  typedef std::pair<base::SharedMemory*, uint32> PrintPreviewData;
-
-  PrintPreviewUIHTMLSource();
-  virtual ~PrintPreviewUIHTMLSource();
-
-  // Gets the print preview |data|. The data is valid as long as the
-  // PrintPreviewHandler is valid and SetPrintPreviewData() does not get called.
-  void GetPrintPreviewData(PrintPreviewData* data);
-
-  // Sets the print preview |data|. PrintPreviewHandler owns the data and is
-  // responsible for freeing it when either:
-  // a) there is new data.
-  // b) when PrintPreviewHandler is destroyed.
-  void SetPrintPreviewData(const PrintPreviewData& data);
-
-  // ChromeURLDataManager::DataSource implementation.
-  virtual void StartDataRequest(const std::string& path,
-                                bool is_incognito,
-                                int request_id);
-  virtual std::string GetMimeType(const std::string&) const;
-
- private:
-  // Current print preview data, the contents of which are owned by
-  // PrintPreviewHandler.
-  PrintPreviewData data_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrintPreviewUIHTMLSource);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_HTML_SOURCE_H_