Remove dead code related to compositing from Sky

sky/engine/core/testing/DummyPageHolder.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 58 matching lines @@
     } else {
         m_pageClients.chromeClient = pageClients->chromeClient;
         m_pageClients.editorClient = pageClients->editorClient;
         m_pageClients.spellCheckerClient = pageClients->spellCheckerClient;
     }
     m_page = adoptPtr(new Page(m_pageClients, serviceProvider));
 
     // FIXME(sky): Delete the tests that use DummyPageHolder since
     // they no longer work and we're not running them.
 
-    // Settings& settings = m_page->settings();
-    // FIXME: http://crbug.com/363843. This needs to find a better way to
-    // not create graphics layers.
-    // settings.setAcceleratedCompositingEnabled(false);
-
     m_frameLoaderClient = frameLoaderClient;
     if (!m_frameLoaderClient)
         m_frameLoaderClient = adoptPtr(new EmptyFrameLoaderClient);
 
     m_frame = LocalFrame::create(m_frameLoaderClient.get(), &m_page->frameHost());
     m_frame->setView(FrameView::create(m_frame.get(), initialViewSize));
 }
 
 DummyPageHolder::~DummyPageHolder()
 {
@@ skipping 19 matching lines @@
 {
     return *m_frame->view();
 }
 
 Document& DummyPageHolder::document() const
 {
     return *m_frame->domWindow()->document();
 }
 
 } // namespace blink