Fix compilation on Windows with enable_printing=2.

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 4858367792dafbc94ac3e7cb3d9ae1c4b14c7eb5..d0a964d895685c85bda68661e1ed197109e27d53 100644
--- a/chrome/common/chrome_utility_printing_messages.h
+++ b/chrome/common/chrome_utility_printing_messages.h
@@ -14,12 +14,10 @@
 #include "printing/pdf_render_settings.h"
 #include "printing/pwg_raster_settings.h"
 
-#if !defined(ENABLE_FULL_PRINTING)
-#error "Full printing must be enabled"
-#endif
-
 #define IPC_MESSAGE_START ChromeUtilityPrintingMsgStart
 
+#if defined(ENABLE_FULL_PRINTING)
+
 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
   IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
   IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
@@ -85,17 +83,6 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_GetPrinterCapsAndDefaults,
 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_GetPrinterSemanticCapsAndDefaults,
                      std::string /* printer name */)
 
-#if defined(OS_WIN)
-// Tell the utility process to render the given PDF into a metafile.
-// The metafile path will have ".%d" inserted where the %d is the page number.
-// If no page range is specified, all pages will be converted.
-IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToMetafiles,
-                     IPC::PlatformFileForTransit,  // PDF file
-                     base::FilePath,  // Base location for output metafile
-                     printing::PdfRenderSettings,  // PDF render settings
-                     std::vector<printing::PageRange>)
-#endif  // OS_WIN
-
 //------------------------------------------------------------------------------
 // Utility process host messages:
 // These are messages from the utility process to the browser.
@@ -130,7 +117,18 @@ IPC_MESSAGE_CONTROL1(
   ChromeUtilityHostMsg_GetPrinterSemanticCapsAndDefaults_Failed,
   std::string /* printer name */)
 
+#endif  // ENABLE_FULL_PRINTING
+
 #if defined(OS_WIN)
+// Tell the utility process to render the given PDF into a metafile.
+// The metafile path will have ".%d" inserted where the %d is the page number.
+// If no page range is specified, all pages will be converted.
+IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToMetafiles,
+                     IPC::PlatformFileForTransit,  // PDF file
+                     base::FilePath,  // Base location for output metafile
+                     printing::PdfRenderSettings,  // PDF render settings
+                     std::vector<printing::PageRange>)
+
 // Reply when the utility process has succeeded in rendering the PDF.
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_Succeeded,
                      std::vector<printing::PageRange>,  // Pages rendered
@@ -138,4 +136,5 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_Succeeded,
 
 // Reply when an error occurred rendering the PDF.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_RenderPDFPagesToMetafile_Failed)
+
 #endif  // OS_WIN