Adds animation as feature variation to keyboard accessory.

components/autofill/core/browser/autofill_external_delegate.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 65 matching lines @@
   should_show_cc_signin_promo_ =
       manager_->ShouldShowCreditCardSigninPromo(query_form_, query_field_);
 }
 
 void AutofillExternalDelegate::OnSuggestionsReturned(
     int query_id,
     const std::vector<Suggestion>& input_suggestions) {
   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);
 
 #if !defined(OS_ANDROID)
   // If there are above the fold suggestions at this point, add a separator to
   // go between the values and menu items.
   if (!suggestions.empty()) {
     suggestions.push_back(Suggestion());
     suggestions.back().frontend_id = POPUP_ITEM_ID_SEPARATOR;
   }
@@ skipping 296 matching lines @@
     const {
   if (IsKeyboardAccessoryEnabled()) {
     return l10n_util::GetStringUTF16(IDS_AUTOFILL_OPTIONS_CONTENT_DESCRIPTION);
   }
   return l10n_util::GetStringUTF16(is_credit_card_popup_ ?
                                    IDS_AUTOFILL_CREDIT_CARD_OPTIONS_POPUP :
                                    IDS_AUTOFILL_OPTIONS_POPUP);
 }
 
 }  // namespace autofill