clean up printing::Image and printing::Metafile

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 215 matching lines @@
   return base::checked_cast<unsigned int>(data_->pages_.size());
 }
 
 skia::NativeDrawingContext PdfMetafileSkia::context() const {
   NOTREACHED();
   return nullptr;
 }
 
 
 #if defined(OS_WIN)
-bool PdfMetafileSkia::Playback(skia::NativeDrawingContext hdc,
-                               const RECT* rect) const {
-  NOTREACHED();
-  return false;
-}
-
 bool PdfMetafileSkia::SafePlayback(skia::NativeDrawingContext hdc) const {
   NOTREACHED();
   return false;
 }
 #endif
 
 bool PdfMetafileSkia::SaveTo(base::File* file) const {
   if (GetDataSize() == 0U)
     return false;
 
@@ skipping 35 matching lines @@
 
   metafile->data_->pages_.push_back(data_->pages_.back());
 
   if (!metafile->FinishDocument())  // Generate PDF.
     metafile.reset();
 
   return metafile;
 }
 
 }  // namespace printing