Differentiate between ADD and CHANGED when adding new autofill entries.

chrome/browser/webdata/web_data_service.cc

Index: chrome/browser/webdata/web_data_service.cc
diff --git a/chrome/browser/webdata/web_data_service.cc b/chrome/browser/webdata/web_data_service.cc
index 5ca9c313db0b684944e90269c6b9e72c6e85a12f..4407cdd0a467fc6d2b63dff4b058ecc0c8f27b8a 100644
--- a/chrome/browser/webdata/web_data_service.cc
+++ b/chrome/browser/webdata/web_data_service.cc
@@ -634,17 +634,9 @@ void WebDataService::AddFormFieldValuesImpl(
   InitializeDatabaseIfNecessary();
   const std::vector<FormField>& form_fields = request->GetArgument();
   if (db_ && !request->IsCancelled()) {
-    if (!db_->AddFormFieldValues(form_fields))
-      NOTREACHED();
-
     AutofillChangeList changes;
-    for (std::vector<FormField>::const_iterator itr = form_fields.begin();
-         itr != form_fields.end();
-         itr++) {
-      changes.push_back(
-          AutofillChange(AutofillChange::ADD,
-                         AutofillKey(itr->name(), itr->value())));
-    }
+    if (!db_->AddFormFieldValues(form_fields, &changes))
+      NOTREACHED();
     request->SetResult(
         new WDResult<AutofillChangeList>(AUTOFILL_CHANGES, changes));
     ScheduleCommit();
@@ -672,8 +664,13 @@ void WebDataService::RemoveFormElementsAddedBetweenImpl(
     AutofillChangeList changes;
     if (db_->RemoveFormElementsAddedBetween(request->GetArgument1(),
                                             request->GetArgument2(),
-                                            &changes))
+                                            &changes)) {
+      if (changes.size() > 0) {
+        request->SetResult(
+            new WDResult<AutofillChangeList>(AUTOFILL_CHANGES, changes));
+      }
       ScheduleCommit();
+    }
   }
   request->RequestComplete();
 }