Add an autoconf field to printer objects.

chrome/browser/chromeos/printing/specifics_translation.cc

Index: chrome/browser/chromeos/printing/specifics_translation.cc
diff --git a/chrome/browser/chromeos/printing/specifics_translation.cc b/chrome/browser/chromeos/printing/specifics_translation.cc
index 6f5cbae08387434ebea3d3826f6d666bcf82a73a..4719092f42219221ea3a5c14088d49f8ac1bcb41 100644
--- a/chrome/browser/chromeos/printing/specifics_translation.cc
+++ b/chrome/browser/chromeos/printing/specifics_translation.cc
@@ -21,24 +21,30 @@ namespace {
 Printer::PpdReference SpecificsToPpd(
     const sync_pb::PrinterPPDReference& specifics) {
   Printer::PpdReference ref;
-  if (specifics.has_user_supplied_ppd_url()) {
+  if (specifics.autoconf()) {
+    ref.autoconf = specifics.autoconf();
+  } else if (specifics.has_user_supplied_ppd_url()) {
     ref.user_supplied_ppd_url = specifics.user_supplied_ppd_url();
-  }
-
-  if (specifics.has_effective_make_and_model()) {
+  } else if (specifics.has_effective_make_and_model()) {
     ref.effective_make_and_model = specifics.effective_make_and_model();
   }
 
   return ref;
 }
 
+// Overwrite fields in |specifics| with an appropriately filled field from
+// |ref|.  If |ref| is the default object, nothing will be changed in
+// |specifics|.
 void MergeReferenceToSpecifics(sync_pb::PrinterPPDReference* specifics,
                                const Printer::PpdReference& ref) {
-  if (!ref.user_supplied_ppd_url.empty()) {
+  if (ref.autoconf) {
+    specifics->Clear();
+    specifics->set_autoconf(ref.autoconf);
+  } else if (!ref.user_supplied_ppd_url.empty()) {
+    specifics->Clear();
     specifics->set_user_supplied_ppd_url(ref.user_supplied_ppd_url);
-  }
-
-  if (!ref.effective_make_and_model.empty()) {
+  } else if (!ref.effective_make_and_model.empty()) {
+    specifics->Clear();
     specifics->set_effective_make_and_model(ref.effective_make_and_model);
   }
 }