Adds animation as feature variation to keyboard accessory.

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 3db7f0fd00bead2a98bb3d080139eddd21755973..aedfc7c41b97fae10ca5524a926a0c8dc583e30f 100644
--- a/components/autofill/core/browser/autofill_external_delegate.cc
+++ b/components/autofill/core/browser/autofill_external_delegate.cc
@@ -83,9 +83,18 @@ void AutofillExternalDelegate::OnSuggestionsReturned(
   if (query_id != query_id_)
     return;
 
+  std::vector<Suggestion> suggestions;
+
+  if (IsHintBeforeKeyboardAccessorySuggestions()) {

[please use gerrit instead, 2017/05/15 14:37:29]

#if defined(OS_ANDROID)

[csashi, 2017/05/15 20:07:26]

Done.

+    Suggestion create_icon;
+    create_icon.icon = base::ASCIIToUTF16("create");
+    suggestions.push_back(create_icon);
+  }
+
   // The suggestions and warnings are "above the fold" and are separated from
   // other menu items with a separator.
-  std::vector<Suggestion> suggestions(input_suggestions);
+  suggestions.insert(suggestions.end(), input_suggestions.begin(),
+                     input_suggestions.end());
   // Hide warnings as appropriate.
   PossiblyRemoveAutofillWarnings(&suggestions);