Make the answers text color more consistent.

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 480 matching lines @@
       };
       break;
     case SuggestionAnswer::PERSONALIZED_SUGGESTION:
       attributes = @{
         font : [[MDFRobotoFontLoader sharedInstance] regularFontOfSize:16],
       };
       break;
     case SuggestionAnswer::ANSWER_TEXT_MEDIUM:
       attributes = @{
         font : [[MDFRobotoFontLoader sharedInstance] regularFontOfSize:20],
+        foregroundColor : [UIColor grayColor],
       };
       break;
     case SuggestionAnswer::ANSWER_TEXT_LARGE:
       attributes = @{
         font : [[MDFRobotoFontLoader sharedInstance] regularFontOfSize:24],
+        foregroundColor : [UIColor grayColor],
       };
       break;
     case SuggestionAnswer::SUGGESTION_SECONDARY_TEXT_SMALL:
       attributes = @{
         font : [[MDFRobotoFontLoader sharedInstance] regularFontOfSize:12],
         foregroundColor : [UIColor grayColor],
       };
       break;
     case SuggestionAnswer::SUGGESTION_SECONDARY_TEXT_MEDIUM:
       attributes = @{
@@ skipping 273 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