AutoFill Empty profiles should not be saved from AutoFillDialog Add and Edit sheets on Mac.

chrome/browser/autofill/autofill_profile.cc

Index: chrome/browser/autofill/autofill_profile.cc
diff --git a/chrome/browser/autofill/autofill_profile.cc b/chrome/browser/autofill/autofill_profile.cc
index 3aa8fbe34f7575f300c6fa397d219b2c4f681c03..f12b0f8790055457b4ae8f5a1861c90d8c5ff9c5 100644
--- a/chrome/browser/autofill/autofill_profile.cc
+++ b/chrome/browser/autofill/autofill_profile.cc
@@ -205,6 +205,7 @@ string16 AutoFillProfile::PreviewSummary() const {
   return summary_format;
 }
 
+// static
 bool AutoFillProfile::AdjustInferredLabels(
     std::vector<AutoFillProfile*>* profiles) {
   std::vector<string16> created_labels;
@@ -222,6 +223,7 @@ bool AutoFillProfile::AdjustInferredLabels(
   return updated_labels;
 }
 
+// static
 void AutoFillProfile::CreateInferredLabels(
     const std::vector<AutoFillProfile*>* profiles,
     std::vector<string16>* created_labels,
@@ -375,6 +377,12 @@ void AutoFillProfile::CreateInferredLabels(
   }
 }
 
+bool AutoFillProfile::IsEmpty() const {
+  FieldTypeSet types;
+  GetAvailableFieldTypes(&types);
+  return types.empty();
+}
+
 void AutoFillProfile::operator=(const AutoFillProfile& source) {
   label_ = source.label_;
   unique_id_ = source.unique_id_;