Extracted MetafilePlayer interface from printing::MetafilePlayer.

chrome/renderer/printing/print_web_view_helper_pdf_win.cc

 // Copyright 2014 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.
 
 #include "chrome/renderer/printing/print_web_view_helper.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/process_handle.h"
 #include "chrome/common/print_messages.h"
@@ skipping 31 matching lines @@
                     initial_render_metafile,
                     NULL,
                     NULL);
   print_preview_context_.RenderedPreviewPage(
       base::TimeTicks::Now() - begin_time);
   if (draft_metafile.get()) {
     draft_metafile->FinishDocument();
   } else if (print_preview_context_.IsModifiable() &&
              print_preview_context_.generate_draft_pages()) {
     DCHECK(!draft_metafile.get());
-    draft_metafile.reset(
-        print_preview_context_.metafile()->GetMetafileForCurrentPage());
+    draft_metafile =
+        print_preview_context_.metafile()->GetMetafileForCurrentPage();
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
 
 bool PrintWebViewHelper::PrintPagesNative(blink::WebFrame* frame,
                                           int page_count,
                                           const gfx::Size& canvas_size) {
   PdfMetafileSkia metafile;
   if (!metafile.Init())
     return false;
@@ skipping 174 matching lines @@
   }
   shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle);
   shared_buf.Unmap();
 
   Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle,
                                          shared_mem_handle));
   return true;
 }
 
 }  // namespace printing