Rework View Layer Draw() to use the Layer::DrawTree() method and the LayerDelegate.

views/widget/native_widget_views.cc

 // Copyright (c) 2011 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 "views/widget/native_widget_views.h"
 
 #include "ui/gfx/compositor/compositor.h"
 #include "views/desktop/desktop_window_view.h"
 #include "views/view.h"
 #include "views/views_delegate.h"
@@ skipping 169 matching lines @@
 }
 
 ui::Compositor* NativeWidgetViews::GetCompositor() {
   return hosting_widget_->GetCompositor();
 }
 
 void NativeWidgetViews::MarkLayerDirty() {
   view_->MarkLayerDirty();
 }
 
-void NativeWidgetViews::CalculateOffsetToAncestorWithLayer(gfx::Point* offset,
-                                                           View** ancestor) {
-  view_->CalculateOffsetToAncestorWithLayer(offset, ancestor);
+void NativeWidgetViews::CalculateOffsetToAncestorWithLayer(
+    gfx::Point* offset,
+    ui::Layer** layer_parent) {
+  view_->CalculateOffsetToAncestorWithLayer(offset, layer_parent);
 }
 
 void NativeWidgetViews::ViewRemoved(View* view) {
   internal::NativeWidgetPrivate* parent = GetParentNativeWidget();
   if (parent)
     parent->ViewRemoved(view);
 }
 
 void NativeWidgetViews::SetNativeWindowProperty(const char* name, void* value) {
   if (value)
@@ skipping 316 matching lines @@
 
 const internal::NativeWidgetPrivate*
     NativeWidgetViews::GetParentNativeWidget() const {
   const Widget* containing_widget = view_ ? view_->GetWidget() : NULL;
   return containing_widget ? static_cast<const internal::NativeWidgetPrivate*>(
       containing_widget->native_widget()) :
       NULL;
 }
 
 }  // namespace views