Remove 3-arg initializeLayerTreeView implementation

content/renderer/render_widget.cc

 // Copyright (c) 2012 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 "content/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 1418 matching lines @@
 void RenderWidget::initializeLayerTreeView() {
   compositor_ = RenderWidgetCompositor::Create(this);
   if (!compositor_)
     return;
 
   compositor_->setViewportSize(size_, physical_backing_size_);
   if (init_complete_)
     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();
 }
 
 void RenderWidget::suppressCompositorScheduling(bool enable) {
   if (compositor_)
     compositor_->SetSuppressScheduleComposite(enable);
 }
 
 void RenderWidget::willBeginCompositorFrame() {
@@ skipping 818 matching lines @@
     if (!context->Initialize(
             attributes,
             false /* bind generates resources */,
             CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE))
       return NULL;
     return context.release();
   }
 }
 
 }  // namespace content