Add "previewing on hover" support for single-field autocomplete input

components/autofill/content/browser/autofill_driver_impl.cc

Index: components/autofill/content/browser/autofill_driver_impl.cc
diff --git a/components/autofill/content/browser/autofill_driver_impl.cc b/components/autofill/content/browser/autofill_driver_impl.cc
index 359a2dd25aefde25f425b4aed213a83126e8a58e..6190519108bc4026500302108eebae0570695b1c 100644
--- a/components/autofill/content/browser/autofill_driver_impl.cc
+++ b/components/autofill/content/browser/autofill_driver_impl.cc
@@ -164,12 +164,21 @@ void AutofillDriverImpl::RendererShouldClearPreviewedForm() {
   host->Send(new AutofillMsg_ClearPreviewedForm(host->GetRoutingID()));
 }
 
-void AutofillDriverImpl::RendererShouldSetNodeText(
+void AutofillDriverImpl::RendererShouldFillFieldWithValue(
     const base::string16& value) {
   if (!RendererIsAvailable())
     return;
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
-  host->Send(new AutofillMsg_SetNodeText(host->GetRoutingID(), value));
+  host->Send(new AutofillMsg_FillFieldWithValue(host->GetRoutingID(), value));
+}
+
+void AutofillDriverImpl::RendererShouldPreviewFieldWithValue(
+    const base::string16& value) {
+  if (!RendererIsAvailable())
+    return;
+  content::RenderViewHost* host = web_contents()->GetRenderViewHost();
+  host->Send(new AutofillMsg_PreviewFieldWithValue(host->GetRoutingID(),
+                                                   value));
 }
 
 bool AutofillDriverImpl::OnMessageReceived(const IPC::Message& message) {