Get semantic capabilities from Print Backend.

printing/backend/print_backend_chromeos.cc

Index: printing/backend/print_backend_chromeos.cc
===================================================================
--- printing/backend/print_backend_chromeos.cc	(revision 153539)
+++ printing/backend/print_backend_chromeos.cc	(working copy)
@@ -16,6 +16,9 @@
   // PrintBackend implementation.
   virtual bool EnumeratePrinters(PrinterList* printer_list) OVERRIDE;
   virtual std::string GetDefaultPrinterName() OVERRIDE;
+  virtual bool GetPrinterSemanticCapsAndDefaults(
+      const std::string& printer_name,
+      PrinterSemanticCapsAndDefaults* printer_info) OVERRIDE;
   virtual bool GetPrinterCapsAndDefaults(
       const std::string& printer_name,
       PrinterCapsAndDefaults* printer_info) OVERRIDE;
@@ -33,8 +36,13 @@
   return true;
 }
 
+bool PrintBackendChromeOS::GetPrinterSemanticCapsAndDefaults(
+    const std::string& printer_name,
+    PrinterSemanticCapsAndDefaults* printer_info) {
+  NOTREACHED();
+  return false;
+}
 
-
 bool PrintBackendChromeOS::GetPrinterCapsAndDefaults(
     const std::string& printer_name,
     PrinterCapsAndDefaults* printer_info) {