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

components/autofill/content/browser/content_autofill_driver.cc

Index: components/autofill/content/browser/content_autofill_driver.cc
diff --git a/components/autofill/content/browser/content_autofill_driver.cc b/components/autofill/content/browser/content_autofill_driver.cc
index 02aaf22f12a270655847b124e20b9d227c014c43..0748f5561cdef0a644edb9b92b30a250f807e31d 100644
--- a/components/autofill/content/browser/content_autofill_driver.cc
+++ b/components/autofill/content/browser/content_autofill_driver.cc
@@ -156,12 +156,20 @@ void ContentAutofillDriver::RendererShouldClearPreviewedForm() {
   host->Send(new AutofillMsg_ClearPreviewedForm(host->GetRoutingID()));
 }
 
-void ContentAutofillDriver::RendererShouldSetNodeText(
+void ContentAutofillDriver::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 ContentAutofillDriver::RendererShouldPreviewFieldWithValue(
+    const base::string16& value) {
+  if (!RendererIsAvailable())
+    return;
+  content::RenderViewHost* host = web_contents()->GetRenderViewHost();
+  host->Send(new AutofillMsg_PreviewFieldWithValue(host->GetRoutingID(),
+                                                   value));
 }
 
 bool ContentAutofillDriver::OnMessageReceived(const IPC::Message& message) {