Fix the layout of the append button on Answers in Suggest.

ios/chrome/browser/ui/omnibox/omnibox_popup_material_view_controller.mm

 // Copyright (c) 2014 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.
 
 #import "ios/chrome/browser/ui/omnibox/omnibox_popup_material_view_controller.h"
 
 #include <memory>
 
 #include "base/ios/ios_util.h"
 #include "base/mac/scoped_cftyperef.h"
@@ skipping 352 matching lines @@
   } else {
     textLabel.attributedText =
         [self attributedStringWithString:text
                          classifications:textClassifications
                                smallFont:NO
                                    color:suggestionTextColor
                                 dimColor:dimColor];
   }
   [textLabel setNeedsDisplay];
 
-  // The left image (e.g. magnifying glass, star, clock) is only shown on iPad.
+  // The leading image (e.g. magnifying glass, star, clock) is only shown on
+  // iPad.
   if (IsIPadIdiom()) {
     int imageId = GetIconForAutocompleteMatchType(
         match.type, _popupView->IsStarredMatch(match), _incognito);
-    [row updateLeftImage:imageId];
+    [row updateLeadingImage:imageId];
   }
 
   // Show append button for search history/search suggestions/voice search as
   // the right control element (aka an accessory element of a table view cell).
   BOOL autocompleteSearchMatch =
       match.type == AutocompleteMatchType::SEARCH_HISTORY ||
       match.type == AutocompleteMatchType::SEARCH_SUGGEST;
   row.appendButton.hidden = !autocompleteSearchMatch;
   [row.appendButton cancelTrackingWithEvent:nil];
 
@@ skipping 417 matching lines @@
     // The delete button never disappears if you don't call this after a tap.
     // It doesn't seem to be required anywhere else.
     [_rows[indexPath.row] prepareForReuse];
     const AutocompleteMatch& match =
         ((const AutocompleteResult&)_currentResult).match_at(indexPath.row);
     _popupView->DeleteMatch(match);
   }
 }
 
 @end