Remove metafile casts.

chrome/renderer/print_web_view_helper.cc

 // 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.
 
 #include "chrome/renderer/print_web_view_helper.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 380 matching lines @@
 
 void PrintWebViewHelper::OnAbortPreview() {
   DidFinishPrinting(ABORT_PREVIEW);
   return;
 }
 
 bool PrintWebViewHelper::FinalizePreviewDocument() {
   print_preview_context_.FinalizePreviewDocument();
 
   // Get the size of the resulting metafile.
-  printing::Metafile* metafile = print_preview_context_.metafile();
+  printing::PreviewMetafile* metafile = print_preview_context_.metafile();
   uint32 buf_size = metafile->GetDataSize();
   DCHECK_GT(buf_size, 0u);
 
   PrintHostMsg_DidPreviewDocument_Params preview_params;
   preview_params.reuse_existing_data = false;
   preview_params.data_size = buf_size;
   preview_params.document_cookie = print_pages_params_->params.document_cookie;
   preview_params.expected_pages_count =
       print_preview_context_.total_page_count();
   preview_params.modifiable = print_preview_context_.IsModifiable();
@@ skipping 691 matching lines @@
 }
 
 WebKit::WebNode* PrintWebViewHelper::PrintPreviewContext::node() const {
   return node_.get();
 }
 
 int PrintWebViewHelper::PrintPreviewContext::total_page_count() const {
   return total_page_count_;
 }
 
-printing::Metafile* PrintWebViewHelper::PrintPreviewContext::metafile() const {
+printing::PreviewMetafile*
+PrintWebViewHelper::PrintPreviewContext::metafile() const {
   return metafile_.get();
 }
 
 const PrintMsg_Print_Params&
 PrintWebViewHelper::PrintPreviewContext::print_params() const {
   return *print_params_;
 }
 
 const gfx::Size&
 PrintWebViewHelper::PrintPreviewContext::GetPrintCanvasSize() const {
   return prep_frame_view_->GetPrintCanvasSize();
 }
 
 void PrintWebViewHelper::PrintPreviewContext::ClearContext() {
   prep_frame_view_.reset();
   metafile_.reset();
   rendered_pages_.clear();
 }