Fix some nits from r447440.

chrome/utility/printing_handler.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/utility/printing_handler.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/files/file_util.h"
@@ skipping 71 matching lines @@
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 #if defined(OS_WIN)
 void PrintingHandler::OnRenderPDFPagesToMetafile(
     IPC::PlatformFileForTransit pdf_transit,
     const PdfRenderSettings& settings) {
   pdf_rendering_settings_ = settings;
-  chrome_pdf::SetPDFPostscriptPrintingLevel(0);  // Not using postscript.
   chrome_pdf::SetPDFUseGDIPrinting(pdf_rendering_settings_.mode ==
                                    PdfRenderSettings::Mode::GDI_TEXT);
-  if (pdf_rendering_settings_.mode ==
-      PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2) {
-    chrome_pdf::SetPDFPostscriptPrintingLevel(2);
-  } else if (pdf_rendering_settings_.mode ==
-             PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3) {
-    chrome_pdf::SetPDFPostscriptPrintingLevel(3);
+  int postscript_level;
+  switch (pdf_rendering_settings_.mode) {
+    case PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2:
+      postscript_level = 2;
+      break;
+    case PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3:
+      postscript_level = 3;
+      break;
+    default:
+      postscript_level = 0;  // Not using postscript.
   }
+  chrome_pdf::SetPDFPostscriptPrintingLevel(postscript_level);
+
   base::File pdf_file = IPC::PlatformFileForTransitToFile(pdf_transit);
   int page_count = LoadPDF(std::move(pdf_file));
   Send(
       new ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageCount(page_count));
 }
 
 void PrintingHandler::OnRenderPDFPagesToMetafileGetPage(
     int page_number,
     IPC::PlatformFileForTransit output_file) {
   base::File emf_file = IPC::PlatformFileForTransitToFile(output_file);
@@ skipping 218 matching lines @@
         printer_name, printer_info));
   } else {
     Send(new ChromeUtilityHostMsg_GetPrinterSemanticCapsAndDefaults_Failed(
         printer_name));
   }
   ReleaseProcessIfNeeded();
 }
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 }  // namespace printing