Add "previewing on hover" support for password field.

components/autofill/core/browser/autofill_external_delegate.cc

Index: components/autofill/core/browser/autofill_external_delegate.cc
diff --git a/components/autofill/core/browser/autofill_external_delegate.cc b/components/autofill/core/browser/autofill_external_delegate.cc
index f435ceb8e23563face4edc083b1d815f12adcca7..3df7cd3b95d004bfb5710f4f7c99cf83d3889cdf 100644
--- a/components/autofill/core/browser/autofill_external_delegate.cc
+++ b/components/autofill/core/browser/autofill_external_delegate.cc
@@ -168,10 +168,14 @@ void AutofillExternalDelegate::DidSelectSuggestion(
   ClearPreviewedForm();
 
   // Only preview the data if it is a profile.
-  if (identifier > 0)
+  if (identifier > 0) {
     FillAutofillFormData(identifier, true);
-  else if (identifier == POPUP_ITEM_ID_AUTOCOMPLETE_ENTRY)
+  } else if (identifier == POPUP_ITEM_ID_PASSWORD_ENTRY) {
+    password_manager_.DidSelectAutofillSuggestion(
+        query_field_, value);

[Ilya Sherman, 2014/03/21 22:35:19]

Can we have a DCHECK(success) here as there is in DidAcceptSuggestion()?

+  } else if (identifier == POPUP_ITEM_ID_AUTOCOMPLETE_ENTRY) {
     driver_->RendererShouldPreviewFieldWithValue(value);
+  }
 }
 
 void AutofillExternalDelegate::DidAcceptSuggestion(const base::string16& value,