Page::chrome() should return a reference.

Source/core/editing/EditorCommand.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Igalia S.L.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 939 matching lines @@
     } else
         frame->editor()->pasteAsPlainText();
     return true;
 }
 
 static bool executePrint(Frame* frame, Event*, EditorCommandSource, const String&)
 {
     Page* page = frame->page();
     if (!page)
         return false;
-    page->chrome()->print(frame);
+    page->chrome().print(frame);
     return true;
 }
 
 static bool executeRedo(Frame* frame, Event*, EditorCommandSource, const String&)
 {
     frame->editor()->redo();
     return true;
 }
 
 static bool executeRemoveFormat(Frame* frame, Event*, EditorCommandSource, const String&)
@@ skipping 758 matching lines @@
         return m_command->state(m_frame.get(), triggeringEvent) == TrueTriState ? "true" : "false";
     return m_command->value(m_frame.get(), triggeringEvent);
 }
 
 bool Editor::Command::isTextInsertion() const
 {
     return m_command && m_command->isTextInsertion;
 }
 
 } // namespace WebCore