[WIP] Migrate Fullscreen to use top layer instead of RenderFullScreen

Source/core/rendering/RenderFullScreen.cpp

Index: Source/core/rendering/RenderFullScreen.cpp
diff --git a/Source/core/rendering/RenderFullScreen.cpp b/Source/core/rendering/RenderFullScreen.cpp
index 8ab1abc284ecf4bd50b262551a160fef97f5880e..957900a727f3e9d85d563ba2bd576562bc17d335 100644
--- a/Source/core/rendering/RenderFullScreen.cpp
+++ b/Source/core/rendering/RenderFullScreen.cpp
@@ -1,3 +1,5 @@
+#if 0
+
 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
@@ -21,7 +23,6 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 #include "config.h"
 #include "core/rendering/RenderFullScreen.h"
 
@@ -187,3 +188,4 @@ void RenderFullScreen::createPlaceholder(PassRefPtr<RenderStyle> style, const La
     } else
         m_placeholder->setStyle(style);
 }
+#endif