Change behavior of --show-autofill-type-predictions

components/autofill/content/renderer/form_cache.cc

Index: components/autofill/content/renderer/form_cache.cc
diff --git a/components/autofill/content/renderer/form_cache.cc b/components/autofill/content/renderer/form_cache.cc
index 02f7a09dfe5d5a6591e84012c83a4da187e0c58f..9bc97e2f5505c598566d3a66b4995d9839aa2dd4 100644
--- a/components/autofill/content/renderer/form_cache.cc
+++ b/components/autofill/content/renderer/form_cache.cc
@@ -277,7 +277,6 @@ bool FormCache::ShowPredictions(const FormDataPredictions& form) {
       continue;
     }
 
-    std::string placeholder = form.fields[i].overall_type;
     base::string16 title = l10n_util::GetStringFUTF16(
         IDS_AUTOFILL_SHOW_PREDICTIONS_TITLE,
         base::UTF8ToUTF16(form.fields[i].heuristic_type),
@@ -285,10 +284,6 @@ bool FormCache::ShowPredictions(const FormDataPredictions& form) {
         base::UTF8ToUTF16(form.fields[i].signature),
         base::UTF8ToUTF16(form.signature),
         base::UTF8ToUTF16(form.experiment_id));
-    if (!element.hasAttribute("placeholder")) {
-      element.setAttribute("placeholder",
-                           WebString(base::UTF8ToUTF16(placeholder)));
-    }
     element.setAttribute("title", WebString(title));
   }