Remove 3-arg initializeLayerTreeView implementation

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 6dcf933684ed64faa339c9b5b1ab365b692d7af3..71517c4aa0536d4bd7fa4a969d14cde24370de0d 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1436,15 +1436,6 @@ void RenderWidget::initializeLayerTreeView() {
     compositor_->setSurfaceReady();
 }
 
-void RenderWidget::initializeLayerTreeView(
-    WebKit::WebLayerTreeViewClient* client,
-    const WebKit::WebLayer& root_layer,
-    const WebKit::WebLayerTreeView::Settings& settings) {
-  initializeLayerTreeView();
-  if (compositor_)
-    compositor_->setRootLayer(root_layer);
-}
-
 WebKit::WebLayerTreeView* RenderWidget::layerTreeView() {
   return compositor_.get();
 }