Extracted MetafilePlayer interface from printing::MetafilePlayer.

printing/printed_document.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 PRINTING_PRINTED_DOCUMENT_H_
 #define PRINTING_PRINTED_DOCUMENT_H_
 
 #include <map>
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/synchronization/lock.h"
 #include "printing/print_settings.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace base {
 class RefCountedMemory;
 class TaskRunner;
 }
 
 namespace printing {
 
-class Metafile;
+class MetafilePlayer;
 class PrintedPage;
 class PrintedPagesSource;
 class PrintingContext;
 
 // A collection of rendered pages. The settings are immutable. If the print
 // settings are changed, a new PrintedDocument must be created.
 // Warning: May be accessed from many threads at the same time. Only one thread
 // will have write access. Sensible functions are protected by a lock.
 // Warning: Once a page is loaded, it cannot be replaced. Pages may be discarded
 // under low memory conditions.
 class PRINTING_EXPORT PrintedDocument
     : public base::RefCountedThreadSafe<PrintedDocument> {
  public:
   // The cookie shall be unique and has a specific relationship with its
   // originating source and settings.
   PrintedDocument(const PrintSettings& settings,
                   PrintedPagesSource* source,
                   int cookie,
                   base::TaskRunner* blocking_runner);
 
   // Sets a page's data. 0-based. Takes metafile ownership.
   // Note: locks for a short amount of time.
   void SetPage(int page_number,
-               Metafile* metafile,
+               scoped_ptr<MetafilePlayer> metafile,
 #if defined(OS_WIN)
                double shrink,
 #endif  // OS_WIN
                const gfx::Size& paper_size,
                const gfx::Rect& page_rect);
 
   // Retrieves a page. If the page is not available right now, it
   // requests to have this page be rendered and returns NULL.
   // Note: locks for a short amount of time.
   scoped_refptr<PrintedPage> GetPage(int page_number);
@@ skipping 10 matching lines @@
 
   // Returns true if all the necessary pages for the settings are already
   // rendered.
   // Note: locks while parsing the whole tree.
   bool IsComplete() const;
 
   // Disconnects the PrintedPage source (PrintedPagesSource). It is done when
   // the source is being destroyed.
   void DisconnectSource();
 
-  // Retrieves the current memory usage of the renderer pages.
-  // Note: locks for a short amount of time.
-  uint32 MemoryUsage() const;
-
   // Sets the number of pages in the document to be rendered. Can only be set
   // once.
   // Note: locks for a short amount of time.
   void set_page_count(int max_page);
 
   // Number of pages in the document. Used for headers/footers.
   // Note: locks for a short amount of time.
   int page_count() const;
 
   // Returns the number of expected pages to be rendered. It is a non-linear
@@ skipping 94 matching lines @@
 
   // All the immutable members.
   const Immutable immutable_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintedDocument);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTED_DOCUMENT_H_