Allow building mojo_shell and non-graphical apps/services on a Mac

services/keyboard_native/predictor.cc

 // Copyright 2015 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 <iterator>
 #include <sstream>
 #include <string>
 
 #include "base/bind.h"
 #include "services/keyboard_native/predictor.h"
@@ skipping 108 matching lines @@
     if (i < input_list.size()) {
       change_text = std::string(input_list[i].data());
     } else {
       change_text = "";
     }
     static_cast<TextUpdateKey*>(suggestion_keys_[i])->ChangeText(change_text);
   }
   on_update_callback_.Run();
 }
 
-}  // namespace keyboard
+}  // namespace keyboard