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

components/autofill/content/browser/autofill_driver_impl_unittest.cc

Index: components/autofill/content/browser/autofill_driver_impl_unittest.cc
diff --git a/components/autofill/content/browser/autofill_driver_impl_unittest.cc b/components/autofill/content/browser/autofill_driver_impl_unittest.cc
index 939aa8ce39404c0c0a62ad55f6d6cf0979abd0d2..1a207fefabfd516472eb14cab50e69ab036064b9 100644
--- a/components/autofill/content/browser/autofill_driver_impl_unittest.cc
+++ b/components/autofill/content/browser/autofill_driver_impl_unittest.cc
@@ -139,6 +139,9 @@ class AutofillDriverImplTest : public ChromeRenderViewHostTestHarness {
       case AutofillMsg_SetNodeText::ID:
         AutofillMsg_SetNodeText::Read(message, &autofill_param);
         break;
+      case AutofillMsg_PreviewAutoCompleteNode::ID:
+        AutofillMsg_PreviewAutoCompleteNode::Read(message, &autofill_param);
+        break;
       case AutofillMsg_AcceptDataListSuggestion::ID:
         AutofillMsg_AcceptDataListSuggestion::Read(message, &autofill_param);
         break;
@@ -289,5 +292,14 @@ TEST_F(AutofillDriverImplTest, SetNodeText) {
                                            &output_value));
   EXPECT_EQ(input_value, output_value);
 }

[Ilya Sherman, 2014/02/22 05:59:51]

nit: Please add a blank line after this one.

[ziran.sun, 2014/02/27 15:38:11]

Done.

+TEST_F(AutofillDriverImplTest, PreviewAutoCompleteNode) {
+  base::string16 input_value(base::ASCIIToUTF16("barqux"));
+  base::string16 output_value;
+  driver_->RendererShouldPreviewAutoCompleteNode(input_value);
+  EXPECT_TRUE(GetString16FromMessageWithID(
+      AutofillMsg_PreviewAutoCompleteNode::ID,
+      &output_value));
+  EXPECT_EQ(input_value, output_value);
+}
 
 }  // namespace autofill