Revert of Make cc/paint have concrete types

printing/pdf_metafile_skia.cc

 // 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.
 
 #include "printing/pdf_metafile_skia.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 182 matching lines @@
   switch (data_->type_) {
     case PDF_SKIA_DOCUMENT_TYPE:
       doc = MakePdfDocument(&stream);
       break;
     case MSKP_SKIA_DOCUMENT_TYPE:
       doc = SkMakeMultiPictureDocument(&stream);
       break;
   }
 
   for (const Page& page : data_->pages_) {
-    cc::PaintCanvas canvas(
+    cc::PaintCanvas* canvas(
         doc->beginPage(page.size_.width(), page.size_.height()));
-    page.content_->playback(&canvas);
+    canvas->drawPicture(page.content_);
     doc->endPage();
   }
   doc->close();
 
   data_->pdf_data_.reset(stream.detachAsStream());
   return true;
 }
 
 uint32_t PdfMetafileSkia::GetDataSize() const {
   if (!data_->pdf_data_)
@@ skipping 107 matching lines @@
 
   metafile->data_->pages_.push_back(data_->pages_.back());
 
   if (!metafile->FinishDocument())  // Generate PDF.
     metafile.reset();
 
   return metafile;
 }
 
 }  // namespace printing