Add Postscript Printing

chrome/common/chrome_utility_printing_messages.h

Index: chrome/common/chrome_utility_printing_messages.h
diff --git a/chrome/common/chrome_utility_printing_messages.h b/chrome/common/chrome_utility_printing_messages.h
index f1a8ad7f0fa5f82b6e1a06609fe3aaa8e0772279..b184f3673a145adb1dd8105d5b538777dbaab7be 100644
--- a/chrome/common/chrome_utility_printing_messages.h
+++ b/chrome/common/chrome_utility_printing_messages.h
@@ -11,6 +11,7 @@
 #include "build/build_config.h"
 #include "components/printing/common/printing_param_traits_macros.h"
 #include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_param_traits.h"
 #include "ipc/ipc_platform_file.h"
 #include "printing/backend/print_backend.h"
 #include "printing/features/features.h"
@@ -26,6 +27,23 @@
 
 // Preview and Cloud Print messages.
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#if defined(OS_WIN)
+IPC_ENUM_TRAITS_MAX_VALUE(
+    printing::PdfRenderSettings::Mode,
+    printing::PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3)
+#else
+IPC_ENUM_TRAITS_MAX_VALUE(printing::PdfRenderSettings::Mode,
+                          printing::PdfRenderSettings::Mode::NORMAL)
+#endif
+
+IPC_STRUCT_TRAITS_BEGIN(printing::PdfRenderSettings)
+  IPC_STRUCT_TRAITS_MEMBER(area)
+  IPC_STRUCT_TRAITS_MEMBER(offsets)
+  IPC_STRUCT_TRAITS_MEMBER(dpi)
+  IPC_STRUCT_TRAITS_MEMBER(autorotate)
+  IPC_STRUCT_TRAITS_MEMBER(mode)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
   IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
   IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
@@ -69,7 +87,6 @@ IPC_STRUCT_TRAITS_END()
 //------------------------------------------------------------------------------
 // Utility process messages:
 // These are messages from the browser to the utility process.
-
 // Tell the utility process to render the given PDF into a PWGRaster.
 IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToPWGRaster,
                      IPC::PlatformFileForTransit /* Input PDF file */,
@@ -99,10 +116,9 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_GetPrinterSemanticCapsAndDefaults,
 // Tell the utility process to start rendering the given PDF into a metafile.
 // Utility process would be alive until
 // ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop message.
-IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_RenderPDFPagesToMetafiles,
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles,
                      IPC::PlatformFileForTransit /* input_file */,
-                     printing::PdfRenderSettings /* settings */,
-                     bool /* print_text_with_gdi */)
+                     printing::PdfRenderSettings /* settings */)
 
 // Requests conversion of the next page.
 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage,
@@ -111,7 +127,22 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage,
 
 // Requests utility process to stop conversion and exit.
 IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop)
-#endif  // ENABLE_PRINTING && OS_WIN
+
+// Tell the utility process to start rendering the given PDF into PS.
+// Utility process would be alive until
+// ChromeUtilityMsg_RenderPDFPagesToPostScript_Stop message.
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToPostScript_Start,
+                     IPC::PlatformFileForTransit /* input_file */,
+                     printing::PdfRenderSettings /* settings */)
+
+// Requests conversion of the next page.
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToPostScript_GetPage,
+                     int /* page_number */,
+                     IPC::PlatformFileForTransit /* output_file */)
+
+// Requests utility process to stop conversion and exit.
+IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_RenderPDFPagesToPostScript_Stop)
+#endif  //  BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN)
 
 //------------------------------------------------------------------------------
 // Utility process host messages:
@@ -160,6 +191,15 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageDone,
                      bool /* success */,
                      float /* scale_factor */)
 
+// Reply when the utility process loaded PDF. |page_count| is 0, if loading
+// failed.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToPostScript_PageCount,
+                     int /* page_count */)
+
+// Reply when the utility process rendered the PDF page.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToPostScript_PageDone,
+                     bool /* success */)
+
 // Request that the given font characters be loaded by the browser so it's
 // cached by the OS. Please see
 // PdfToEmfUtilityProcessHostClient::OnPreCacheFontCharacters for details.