Use dpi from PrintSettings for PDF to EMF conversion.

chrome/browser/printing/print_view_manager_base.cc

 // Copyright 2013 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/browser/printing/print_view_manager_base.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 239 matching lines @@
     if (!debug_dump_path.empty()) {
       BrowserThread::PostTask(
           BrowserThread::FILE,
           FROM_HERE,
           base::Bind(&WriteBytesOnFileThread, debug_dump_path, bytes));
     }
 
     if (!pdf_to_emf_converter_)
       pdf_to_emf_converter_ = PdfToEmfConverter::CreateDefault();
 
-    const int kPrinterDpi = 600;
+    const int kPrinterDpi = print_job_->settings().dpi();
     pdf_to_emf_converter_->Start(
         bytes,
         printing::PdfRenderSettings(params.content_area, kPrinterDpi, false),
         base::Bind(&PrintViewManagerBase::OnPdfToEmfConverted,
                    base::Unretained(this),
                    params));
   }
 #endif  // !WIN_PDF_METAFILE_FOR_PRINTING
 }
 
@@ skipping 339 matching lines @@
   scoped_refptr<printing::PrinterQuery> printer_query;
   printer_query = queue_->PopPrinterQuery(cookie);
   if (!printer_query)
     return;
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&PrinterQuery::StopWorker, printer_query.get()));
 }
 
 }  // namespace printing