Printing on Windows via PDF

chrome/common/chrome_utility_messages.h

Index: chrome/common/chrome_utility_messages.h
diff --git a/chrome/common/chrome_utility_messages.h b/chrome/common/chrome_utility_messages.h
index c37556541828ffc42136e89a97f32d6dbbc1b9b3..a3f2002686200776e0e9aa943053f8283d2a6b39 100644
--- a/chrome/common/chrome_utility_messages.h
+++ b/chrome/common/chrome_utility_messages.h
@@ -178,13 +178,19 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImageBase64,
                      std::string)  // base64 encoded image contents
 
 // Tell the utility process to render the given PDF into a metafile.
-// TODO(vitalybuka): switch to IPC::PlatformFileForTransit.
+// TODO(vitalybuka|scottmg): Deprecated, use RenderPDFPagesToMetafileHandles.
 IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToMetafile,
                      base::PlatformFile,       // PDF file
                      base::FilePath,           // Location for output metafile
                      printing::PdfRenderSettings,  // PDF render settings
                      std::vector<printing::PageRange>)
 
+IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToMetafileHandles,
+                     IPC::PlatformFileForTransit,  // PDF file
+                     IPC::PlatformFileForTransit,  // Output EMF.
+                     printing::PdfRenderSettings,  // PDF render settings
+                     std::vector<printing::PageRange>)
+
 // Tell the utility process to render the given PDF into a PWGRaster.
 IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToPWGRaster,
                      IPC::PlatformFileForTransit, /* Input PDF file */