Revert "Printing: Load the source PDF only once."

chrome/utility/printing_handler.h

Index: chrome/utility/printing_handler.h
diff --git a/chrome/utility/printing_handler.h b/chrome/utility/printing_handler.h
index 02696d4eaa802b941d576664c50d83b9c837f183..99b6eeb6a28399e4077c254a037585b70c3efe14 100644
--- a/chrome/utility/printing_handler.h
+++ b/chrome/utility/printing_handler.h
@@ -34,7 +34,7 @@ class PrintingHandler : public UtilityMessageHandler {
  private:
   // IPC message handlers.
 #if defined(OS_WIN)
-  void OnRenderPDFPagesToMetafileStart(IPC::PlatformFileForTransit pdf_transit,
+  void OnRenderPDFPagesToMetafile(IPC::PlatformFileForTransit pdf_transit,
                                   const PdfRenderSettings& settings,
                                   bool print_text_with_gdi);
   void OnRenderPDFPagesToMetafileGetPage(
@@ -68,7 +68,6 @@ class PrintingHandler : public UtilityMessageHandler {
 #if defined(OS_WIN)
   std::vector<char> pdf_data_;
   PdfRenderSettings pdf_rendering_settings_;
-  void* pdf_handle_ = nullptr;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PrintingHandler);